Barwell is a surname, and may refer to:

• Gavin Barwell (born 1972), British Conservative Party politician
• Henry Barwell (1877–1959), 28th Premier of South Australia
• Len Barwell, New Zealand football player
• Phillip R. Barwell, DFC, Group Captain Officer No. 46 Squadron RAF
• Terry Barwell (born 1937), South African cricketer
• William Barwell (1705–1769), administrator of the English East India Company

• Rootes-type supercharger
• Root exploit
• Root extraction
• Root extraction (disambiguation)
• Root filesystem
• Root-for-root
• Root-for-root translation
• Root gall nematode
• Root-gall nematode
• Roothaan–Hall equations
• Root (hair)
• Root hair cell
• Root hair plexus
• Root hint
• Root, Hog, or Die
• Root Hog or Die
• Root Hog or Die (album)
• Root Hog Or Die (Mojo Nixon album)
• Rootie Tootie
• Rooting android
• Rooting chainfern
• Rooting (disambiguation)
• Rooting for My Baby
• Rooting gel
• Rooting poison pie