Dewar
- Arthur Dewar (cricketer)
- Arthur Dewar, Lord Dewar
- Clan Dewar
- Connor Dewar
- Cryogenic storage dewar
- Deewaar (disambiguation)
- Devar
- Dewar (caste)
- Dewar (crater)
- Dewar Flask
- Dewar Nunatak
- Dewar benzene
- Dewar's
- Dewar, Iowa
- Dewar, Oklahoma
- Dewar, Scottish Borders
- Divar
- Divar (website)
- Donald Dewar
- Douglas Dewar
- Geordie Dewar
- George Dewar (disambiguation)
- Isla Dewar
- Jackie Dewar
- Jacqueline Dewar
- James Dewar
- James Dewar (disambiguation)
- Jim Dewar (disambiguation)
- John Dewar, 1st Baron Forteviot
- John Dewar, 2nd Baron Forteviot
- John Dewar, Sr.
- John Michael Dewar
- Kenneth Dewar
- Kim Dewar
- Marion Dewar
- Michael J. S. Dewar
- Neil Dewar
- Paul Dewar
- Thomas Dewar, 1st Baron Dewar
- Vacuum flask
- William McLachlan Dewar