| Number | Title | Date of creation | Arms | Current holder | Peerage | Other viscountcies |
| 1 | The Viscount Hereford | 1550 | 25px | Robin Devereux, 19th [Viscount Hereford] | England | |
| 2 | The Viscount Falkland | 1620 | | Lucius Cary, 15th Viscount Falkland | Scotland | |
| 3 | The Viscount Arbuthnott | 1641 | Image:Arms [Viscount of Arbuthnott (shield).svg|25px] | Keith Arbuthnott, 17th Viscount of Arbuthnott | Scotland | |
| 4 | The Viscount Oxfuird | 1651 | 25px | Ian Makgill, 14th Viscount of Oxfuird | Scotland | |
| 5 | The Viscount Bolingbroke | 1712 | | Nicholas St John, 9th Viscount Bolingbroke | Great Britain | |
| 5 | The Viscount St. John | 1716 | | Nicholas St John, 9th Viscount Bolingbroke | Great Britain | |
| 6 | The Viscount Cobham | 1718 | | Christopher Lyttelton, 12th Viscount Cobham | Great Britain | |
| 7 | The Viscount Falmouth | 1720 | | Evelyn Boscawen, 10th Viscount Falmouth | Great Britain | |
| 8 | The Viscount Torrington | 1721 | | Timothy Byng, 11th Viscount Torrington | Great Britain | |
| 9 | The Viscount Hood | 1796 | | Henry Hood, 8th Viscount Hood | Great Britain | |
| 10 | The Viscount Gormanston | 1478 | | Nicholas Preston, 17th Viscount Gormanston | Ireland | |
| 11 | The Viscount Mountgarret | 1550 | | Piers Butler, 18th Viscount Mountgarret | Ireland | |
| 12 | The Viscount Valentia | 1622 | | Francis Annesley, 16th Viscount Valentia | Ireland | |
| 13 | The Viscount Dillon | 1622 | | Henry Dillon, 22nd Viscount Dillon | Ireland | |
| 14 | The Viscount Massereene | 1661 | | Charles Skeffington, 15th Viscount Massereene | Ireland | Viscount Ferrard |
| 15 | The Viscount Charlemont | 1665 | | John Caulfeild, 15th Viscount Charlemont | Ireland | |
| 16 | The Viscount Downe | 1680 | | Richard Dawnay, 12th Viscount Downe | Ireland | |
| 17 | The Viscount Molesworth | 1716 | | Robert Molesworth, 12th Viscount Molesworth | Ireland | |
| 18 | The Viscount Chetwynd | 1717 | | Adam Chetwynd, 11th Viscount Chetwynd | Ireland | |
| 19 | The Viscount Midleton | 1717 | | Alan Brodrick, 12th Viscount Midleton | Ireland | |
| 20 | The Viscount Boyne | 1717 | | Gustavus Hamilton-Russell, 11th Viscount Boyne | Ireland | |
| 21 | The Viscount Gage | 1720 | | Nicolas Gage, 8th Viscount Gage | Ireland | |
| 22 | The Viscount Galway | 1727 | | Philip Monckton, 13th Viscount Galway | Ireland | |
| 23 | The Viscount Powerscourt | 1744 | | Anthony Wingfield, 11th Viscount Powerscourt | Ireland | |
| 24 | The Viscount Ashbrook | 1751 | | Michael Flower, 11th Viscount Ashbrook | Ireland | |
| 25 | The Viscount Southwell | 1776 | | Richard Southwell, 8th Viscount Southwell | Ireland | |
| 26 | The Viscount de Vesci | 1776 | | Thomas Vesey, 7th Viscount de Vesci | Ireland | |
| 27 | The Viscount Lifford | 1781 | | Edward Hewitt, 9th Viscount Lifford | Ireland | |
| 28 | The Viscount Bangor | 1781 | | William Ward, 8th Viscount Bangor | Ireland | |
| 29 | The Viscount Doneraile | 1785 | | Richard St Leger, 10th Viscount Doneraile | Ireland | |
| 30 | The Viscount Harberton | 1791 | | Henry Pomeroy, 11th Viscount Harberton | Ireland | |
| 31 | The Viscount Hawarden | 1793 | | Robert Maude, 9th Viscount Hawarden | Ireland | |
| 32 | The Viscount Monck | 1801 | | Charles Monck, 7th Viscount Monck | Ireland | |
| 33 | The Viscount St Vincent | 1801 | | Edward Jervis, 8th Viscount St Vincent | United Kingdom | |
| 34 | The Viscount Melville | 1802 | | Robert Dundas, 10th Viscount Melville | United Kingdom | |
| 35 | The Viscount Sidmouth | 1805 | | Jeremy Francis Addington, 8th Viscount Sidmouth | United Kingdom | |
| 36 | The Viscount Gort | 1816 | | Foley Robert Standish Prendergast Vereker, 9th Viscount Gort | Ireland | |
| 37 | The Viscount Exmouth | 1816 | | Paul Pellew, 10th Viscount Exmouth | United Kingdom | |
| 38 | The Viscount Combermere | 1827 | | Thomas Stapleton-Cotton, 6th Viscount Combermere | United Kingdom | |
| 39 | The Viscount Hill | 1842 | | David Clegg-Hill, 9th Viscount Hill | United Kingdom | |
| 40 | The Viscount Hardinge | 1846 | | Andrew Hardinge, 7th Viscount Hardinge | United Kingdom | |
| 41 | The Viscount Bridport | 1868 | | Alexander Hood, 4th Viscount Bridport | United Kingdom | |
| 42 | The Viscount Portman | 1873 | | Christopher Portman, 10th Viscount Portman | United Kingdom | |
| 43 | The Viscount Hampden | 1884 | | Francis Brand, 7th Viscount Hampden | United Kingdom | |
| 44 | The Viscount Hambleden | 1891 | | Henry Smith, 5th Viscount Hambleden | United Kingdom | |
| 45 | The Viscount Knutsford | 1895 | | 7th Viscount Knutsford | United Kingdom | |
| 46 | The Viscount Esher | 1897 | | Christopher Brett, 5th Viscount Esher | United Kingdom | |
| 47 | The Viscount Goschen | 1900 | | Giles Goschen, 4th Viscount Goschen | United Kingdom | |
| 48 | The Viscount Ridley | 1900 | | Matthew Ridley, 5th Viscount Ridley | United Kingdom | |
| 49 | The Viscount Colville of Culross | 1902 | | Charles Colville, 5th Viscount Colville of Culross | United Kingdom | |
| 50 | The Viscount Selby | 1905 | | Christopher Rolf Thomas Gully, 6th Viscount Selby | United Kingdom | |
| 51 | The Viscount Knollys | 1911 | | Patrick Knollys, 4th Viscount Knollys | United Kingdom | |
| 52 | The Viscount Allendale | 1911 | | Wentworth Beaumont, 4th Viscount Allendale | United Kingdom | |
| 53 | The Viscount Chilston | 1911 | | Alastair Akers-Douglas, 4th Viscount Chilston | United Kingdom | |
| 54 | The Viscount Scarsdale | 1911 | | Peter Curzon, 4th Viscount Scarsdale | United Kingdom | |
| 55 | The Viscount Mersey | 1916 | | Edward John Hallam Bigham, 5th Viscount Mersey | United Kingdom | |
| 56 | The Viscount Cowdray | 1917 | | Michael Pearson, 4th Viscount Cowdray | United Kingdom | |
| 57 | The Viscount Devonport | 1917 | | Terence Kearley, 3rd Viscount Devonport | United Kingdom | |
| 58 | The Viscount Astor | 1917 | | William Astor, 4th Viscount Astor | United Kingdom | |
| 59 | The Viscount Wimborne | 1918 | | Ivor Guest, 4th Viscount Wimborne | United Kingdom | |
| 60 | The Viscount St Davids | 1918 | | Rhodri Philipps, 4th Viscount St Davids | United Kingdom | |
| 61 | The Viscount Rothermere | 1919 | | Jonathan Harmsworth, 4th Viscount Rothermere | United Kingdom | |
| 62 | The Viscount Allenby | 1919 | | Henry Allenby, 4th Viscount Allenby | United Kingdom | |
| 63 | The Viscount Chelmsford | 1921 | | Frederic Thesiger, 4th Viscount Chelmsford | United Kingdom | |
| 64 | The Viscount Long | 1921 | | James Long, 5th Viscount Long | United Kingdom | |
| 65 | The Viscount Ullswater | 1921 | | Nicholas Lowther, 2nd Viscount Ullswater | United Kingdom | |
| 66 | The Viscount Younger of Leckie | 1923 | | James Younger, 5th Viscount Younger of Leckie | United Kingdom | |
| 67 | The Viscount Bearsted | 1925 | | Nicholas Samuel, 5th Viscount Bearsted | United Kingdom | |
| 68 | The Viscount Bridgeman | 1929 | | Robin Bridgeman, 3rd Viscount Bridgeman | United Kingdom | |
| 69 | The Viscount Hailsham | 1929 | | Douglas Hogg, 3rd Viscount Hailsham | United Kingdom | |
| 70 | The Viscount Brentford | 1929 | | Crispin Joynson-Hicks, 4th Viscount Brentford | United Kingdom | |
| 71 | The Viscount Buckmaster | 1932 | | Adrian Buckmaster, 4th Viscount Buckmaster | United Kingdom | |
| 72 | The Viscount Bledisloe | 1935 | | Rupert Bathurst, 4th Viscount Bledisloe | United Kingdom | |
| 73 | The Viscount Hanworth | 1936 | | David Pollock, 3rd Viscount Hanworth | United Kingdom | |
| 74 | The Viscount Trenchard | 1936 | | Hugh Trenchard, 3rd Viscount Trenchard | United Kingdom | |
| 75 | The Viscount Samuel | 1937 | | Jonathan Samuel, 5th Viscount Samuel | United Kingdom | |
| 76 | The Viscount Runciman of Doxford | 1937 | | David Runciman, 4th Viscount Runciman of Doxford | United Kingdom | |
| 77 | The Viscount Davidson | 1937 | | Nicolas Davidson, 4th Viscount Davidson | United Kingdom | |
| 78 | The Viscount Weir | 1938 | | William Weir, 3rd Viscount Weir | United Kingdom | |
| 79 | The Viscount Caldecote | 1939 | | Piers Inskip, 3rd Viscount Caldecote | United Kingdom | |
| 80 | The Viscount Camrose | 1941 | | Jonathan Berry, 5th Viscount Camrose | United Kingdom | |
| 81 | The Viscount Stansgate | 1942 | | Stephen Benn, 3rd Viscount Stansgate | United Kingdom | |
| 82 | The Viscount Margesson | 1942 | | Richard Margesson, 3rd Viscount Margesson | United Kingdom | |
| 83 | The Viscount Daventry | 1943 | | James FitzRoy Newdegate, 4th Viscount Daventry | United Kingdom | |
| 84 | The Viscount Addison | 1945 | | William Addison, 4th Viscount Addison | United Kingdom | |
| 85 | The Viscount Kemsley | 1945 | | Richard Berry, 3rd Viscount Kemsley | United Kingdom | |
| 86 | The Viscount Marchwood | 1945 | | Peter Penny, 4th Viscount Marchwood | United Kingdom | |
| 87 | The Viscount Montgomery of Alamein | 1946 | | Henry Montgomery, 3rd Viscount Montgomery of Alamein | United Kingdom | |
| 88 | The Viscount Waverley | 1952 | | John Anderson, 3rd Viscount Waverley | United Kingdom | |
| 89 | The Viscount Thurso | 1952 | | John Sinclair, 3rd Viscount Thurso | United Kingdom | |
| 90 | The Viscount Brookeborough | 1952 | | Alan Brooke, 3rd Viscount Brookeborough | United Kingdom | |
| 91 | The Viscount Norwich | 1952 | | Jason Cooper, 3rd Viscount Norwich | United Kingdom | |
| 92 | The Viscount Leathers | 1954 | | Christopher Leathers, 3rd Viscount Leathers | United Kingdom | |
| 93 | The Viscount Soulbury | 1954 | | Oliver Ramsbotham, 4th Viscount Soulbury | United Kingdom | |
| 94 | The Viscount Chandos | 1954 | | Thomas Lyttelton, 3rd Viscount Chandos | United Kingdom | |
| 95 | The Viscount De L'Isle | 1956 | | Philip Sidney, 2nd Viscount De L'Isle | United Kingdom | |
| 96 | The Viscount Monckton of Brenchley | 1957 | | Christopher Monckton, 3rd Viscount Monckton of Brenchley | United Kingdom | |
| 97 | The Viscount Tenby | 1957 | | Timothy Lloyd George, 4th Viscount Tenby | United Kingdom | |
| 98 | The Viscount Mackintosh of Halifax | 1957 | | Clive Mackintosh, 3rd Viscount Mackintosh of Halifax | United Kingdom | |
| 99 | The Viscount Dunrossil | 1959 | | Andrew Morrison, 3rd Viscount Dunrossil | United Kingdom | |
| 100 | The Viscount Stuart of Findhorn | 1959 | | James Stuart, 3rd Viscount Stuart of Findhorn | United Kingdom | |
| 101 | The Viscount Rochdale | 1960 | | Jonathan Kemp, 3rd Viscount Rochdale | United Kingdom | |
| 102 | The Viscount Slim | 1960 | | Mark Slim, 3rd Viscount Slim | United Kingdom | |
| 103 | The Viscount Head | 1960 | | Richard Head, 2nd Viscount Head | United Kingdom | |
| 104 | The Viscount Boyd of Merton | 1960 | | Simon Lennox-Boyd, 2nd Viscount Boyd of Merton | United Kingdom | |
| 105 | The Viscount Mills | 1962 | | Christopher Mills, 3rd Viscount Mills | United Kingdom | |
| 106 | The Viscount Blakenham | 1963 | | Casper John Hare, 3rd Viscount Blakenham | United Kingdom | |
| 107 | The Viscount Eccles | 1964 | | John Eccles, 2nd Viscount Eccles | United Kingdom | |
| 108 | The Viscount Dilhorne | 1964 | | James Manningham-Buller, 3rd Viscount Dilhorne | United Kingdom | |