Martha Harris (born 19 August 1994) is an English footballer who plays as a full-back for Birmingham City of the FA Women's Championship.

[3] Harris has represented England at under-19, under-20 and under-23 level and was named the inaugural PFA Women's Young Player of the Year in 2014.

Harris made her league debut for Lincoln Ladies (since re-located and re-branded as Notts County) on 26 August 2012 in a FA WSL match against Liverpool,[4] coming on as a 59th-minute substitute for Bonnie Horwood.

[16] On 14 July 2022, Harris signed a one-year contract plus an additional option year with newly-relegated Championship side Birmingham City.

[18] Harris was part of the England under-19 team who finished as runners-up to France at the 2013 UEFA Women's Under-19 Championship in Wales.