Feliks is a variant spelling of the given name Felix, used in Poland and the Baltic states, as well as in the transliteration of the name Felix from Russian.
Feliks may refer to:
Feliks Ankerstein (1897–1955), Polish Army major and intelligence officer Feliks Asłanowicz (1903–1941), Polish footballer Feliks Gromov (1937–2021), former Commander-in-Chief of the Russian Navy Feliks Kark (born 1933), Estonian actor and caricaturist Feliks Kibbermann, Estonian chess master Feliks Kon (1864–1941), Polish communist activist Feliks Konarski (1907–1991), Polish poet, songwriter and cabaret performer Feliks Koneczny (1862–1949), Polish historian and social philosopher Feliks Kazimierz Potocki (1630–1702), Polish noble, magnate and military leader Feliks Nowowiejski (1877–1946), Polish composer Feliks Stamm (1901–1976), Polish boxing coach Feliks Topolski (1907–1989), Polish-born British expressionist painter Feliks Ulanbekov, Kyrgyzstani sambist Feliks Undusk (born 1948), Estonian journalist and politician. Feliks Villard (1908–?), Estonian chess player Feliks Zamoyski (died 1535), Polish nobleman Feliks Zemdegs (born 1995), Australian Rubik's Cube speedcuber