Wolfgang (Volfgangs) Hasenfuss (Hazenfuss) (born 1900, date of death unknown) was a Latvian chess master of Baltic German ethnicity.
He played for Latvia in Chess Olympiads and 3rd unofficial Chess Olympiad:[1]
Hasenfuss won individual bronze medal in 1931.
He took 6th at Riga 1932 (Vladimirs Petrovs won),[2] took 4th at Riga 1934 (LAT-ch, Fricis Apšenieks and Petrovs won),[3] tied for 17-18th at Kemeri 1937 (Samuel Reshevsky, Petrovs and Salo Flohr won),[4] and took 10th at Kemeri / Riga 1939 (Flohr won).[5]