Logar is a Slovenian surname. Notable people with the surname include:
Anže Logar (born 1976), Slovenian politician Eva Logar (born 1991), Slovenian ski jumper Lojze Logar (1944–2014), Slovenian painter and graphic artist Mihovil Logar (1902–1998), Serbian composer Theresa Logar (born 1985), American tennis player Tine Logar (1916–2002), Slovenian linguist