Thomas Albert Dallison-Lisbon (born 2 February 1996) is an English footballer who plays as a central defender for Ebbsfleet United.

[3][4] Dallison began his career playing the youth teams at West Ham United and Arsenal before signing a contract with Brighton & Hove Albion in October 2013 following a successful trial.

[9] He made his professional debut on 20 February 2016 in a 1–1 draw against Plymouth Argyle,[10] but broke his foot after 60 minutes, ruling him out for the rest of the season.

[11] On 18 July 2016, Dallison joined League Two club Cambridge United on a loan deal lasting until 8 January 2017.

[18] On 6 January 2022, Dallison signed a two-and-a-half-year contract with Colchester United for an undisclosed fee.