Anders Gideon Tom Ståhlberg (26 January 1908 – 26 May 1967) was a Swedish chess player.

He won the Swedish Chess Championship of 1927, became Nordic champion in 1929, and held it until 1939.

Ståhlberg came to fame when he won matches against star players Rudolf Spielmann and Aron Nimzowitsch in 1933 and 1934 respectively, and came third (after Alexander Alekhine) in Dresden 1936, and second (after Reuben Fine) in Stockholm 1937.

In 1967 he travelled to Leningrad to take part in an international tournament but died before playing his first game.

Ståhlberg published more than ten chess books (some of them originally in Spanish):