Martha Thomas may refer to:
M. Carey Thomas (1857–1935), American educator, suffragist, and linguist Martha Gibbons Thomas (1869–1942), American politician, suffragist, and dairy farmer Martha J. B. Thomas (1926–2006), American chemical engineer and analytical chemist Martha Nelson Thomas (1915–2013), American folk artist Martha Thomas Fitzgerald (1894–1981), American educator and politician Martha Thomas (footballer) (born 1996), Scottish footballer