Adam Stephen Birchall (born 2 December 1984) is a retired footballer who played as a forward and is the current head coach of the Arsenal Under-18s.

In the 2004–05 season, Birchall had a successful loan spell at Wycombe Wanderers, scoring four goals in twelve league games.

On 23 November 2006, Birchall was loaned to divisional rivals Barnet, where he was a hit, scoring the first goal in their 4–1 thrashing of Northampton Town in the FA Cup.

During his time at Barnet, Birchall is credited with the idea for a now widely used scheme whereby only the team captain can question referees' decisions, to reduce dissent and the yellow cards that follow.

Birchall again attracted interest from clubs higher up the football pyramid and in July 2011 Dover Athletic received substantial undisclosed bids from League Two sides Swindon Town, newcomers AFC Wimbledon, and local rivals Gillingham,[6] for whom he signed a three-year deal on 12 July 2011.

Birchall finally made his competitive debut for Gillingham on 14 August 2012, coming on as a substitute in a 2–1 away win against Bristol City in the League Cup.