Simon Thelwall

• Simon Thelwall (MP [died 1659)], English politician, MP for Denbigh, 1640
• Simon Thelwall (MP died 1586), MP for Denbigh Boroughs and Denbighshire, 1553 et seq
• Simon Thelwall (of [Cefn Coch)], MP for Denbigh Boroughs, 1593
• Simon Thelwall (MP died 1663), MP for Denbighshire 1614, High Sheriff of Denbighshire, 1611