Basil Thampi (born 11 September 1993) is an Indian cricketer who represents Kerala in domestic cricket. He is a right-handed batsman and right-arm fast-medium pacer. He made his IPL debut for Gujarat Lions in the 2017 Indian Premier League and was named the "Emerging player of the season".

Basil was born on 11 September 1993 to N.M Thampi and Lisy Thampi. He married Sneha Roy on 4 July 2022.

Thampi made his first-class debut for Kerala in the 2014–15 Ranji Trophy on 6 February 2015.

In June 2017, he earned his maiden call-up to India A team, as he was included in the 16-man one-day squad for the tri-series against hosts South Africa A and Australia A team. In October 2017, he was included in the Board President's XI and India A squads against New Zealand ahead of their One-Day International (ODI) series against India and five ODIs against New Zealand A.

In July 2018, he was named in the squad for India Blue for the 2018–19 Duleep Trophy, travelling through the flooding in Kerala to make the start of the season.

In August 2019, he was named in the India Blue team's squad for the 2019–20 Duleep Trophy.

He was the joint-highest wicket-taker of Kerala in the 2021-22 Syed Mushtaq Ali Trophy bagging eight wickets from 6 matches.

In August 2022, he was named in the South Zone's team for the 2022-23 Duleep Trophy.