Michael Flannan Littleton (5 March 1938 – 21 August 2002) was an Irish chess player, two-times Irish Chess Championship winner (1962, 1965).

From the begin of 1960s to the mid-1970s, Michael Flannan Littleton was one of Ireland's leading chess players. He twice won the Irish Chess Championship: 1962 (shared) and 1965. In 1966 in The Hague Michael Flannan Littleton participated in FIDE World Chess Championship European Zonal tournament and ranked in 17th place.^[1] In 1969 in Algarve he participated in FIDE World Chess Championship European Zonal tournament and shared 11th-14th place.^[2]

Michael Flannan Littleton played for Ireland in the Chess Olympiad:^[3]

• In 1960, at second board in the 14th Chess Olympiad in Leipzig (+3, =5, -11),
• In 1968, at second board in the 18th Chess Olympiad in Lugano (+3, =8, -4),
• In 1970, at first board in the 19th Chess Olympiad in Siegen (+0, =9, -3),
• In 1972, at third board in the 20th Chess Olympiad in Skopje (+7, =10, -1),
• In 1974, at second board in the 21st Chess Olympiad in Nice (+1, =8, -7).