The 2010–11 Trinidad and Tobago Cup was the 81st season of the FA Trophy, which is the oldest football competition for teams in Trinidad and Tobago. Joe Public entered as the tournament's defending champion, who defeated W Connection in the 2009 final. The tournament commenced on 17 November 2010, with 32 teams competing in single elimination matches and concluded on 25 January 2011.

The tournament featured teams from the top three levels of the football pyramid. These three levels and 8 leagues, namely the TT Pro League, National Super League, Central FA's Premier Division, Eastern FA's Premier Division, Eastern Counties' Football Union, Norther FA's Premier Division, Southern FA's Premier Division, and Tobago FA's Premier Division, each have their own separate qualification process to trim their ranks down to their final team delegations.

The top eight teams following the first round of matches in the 2010–11 season qualified as the Pro League's representatives for the competition. In addition, the top six finishers from the Super League also qualified. In addition, all six regional football associations were awarded three qualification positions into this year's edition.

The following clubs qualified for the 81st edition of the FA Trophy:

Eastern FA – Premier Division

Eastern Counties – Football Union

Southern FA – Premier Division

Tobago FA – Premier Division

The schedule for the 2010–11 FA Trophy, as announced by the Trinidad and Tobago Football Association:

All matches were played over two 45 minute halves, and in the process if the match were drawn at the end of regulation time, then two additional 15-minute halves were used, and if necessary, penalty kicks if still drawn after extra time.

The draw for the most prestigious knockout tournament held by the Trinidad and Tobago Football Association was made on 3 November 2010 at its head office in Port of Spain, Trinidad with ties played in the week beginning 17 November 2010. The only Pro League match-up featured Ma Pau facing W Connection. The remaining six professional teams advanced with little difficulty. Castara Goal City from the Tobago FA and Valencia United from the Eastern Counties Football Union defeated National Super League sides T&TEC and St. Francois Nationals respectively.

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