Allan Nilsson (18 May 1899, Göteborg – 4 September 1949, Göteborg) was a Swedish chess master.
He was Swedish Champion in 1924-1929, and played four matches for the title, all in Gothenburg. He drew a match with Gustaf Nyholm (2.5 : 2.5) in 1921, won against Nyholm (3 : 1) in 1924, drew with Gösta Stoltz (2.5 : 2.5) in 1927, and lost to Gideon Ståhlberg (0 : 3) in 1929.[1]
He tied for 2nd-3rd, behind Paul Johner, at Göteborg 1920,[2] shared 1st with Anton Olson at Uppsala 1923,[3] and took 3rd at Copenhagen 1924 (Nordic Championship, Aron Nimzowitsch won).[4]
Nilsson represented Sweden in the 1st Chess Olympiad at London 1927, and tied for 9-11th in the Amateur World Championship (Max Euwe won), which took place during the 2nd Chess Olympiad at The Hague 1928.[5]