Oskar may refer to:
People Oskar (given name), a masculine given name, including a list of people and fictional characters with the name Jón Óskar (1921–1998), Icelandic poet Lee Oskar (born 1948), Danish harmonica player, a founding member of the rock-funk fusion group War Ludvig Oskar (1874–1951), Estonian painter
Other uses Oskar (gene), the Drosophila gene Oskar (film), a 1962 Danish comedy Oskar (2018 film), 2018 Indian Bengali language comedy film 750 Oskar, an asteroid
See also , a German cargo liner launched in 1902 Oscar (disambiguation) Oskars, a list of people with the Latvian masculine given name