Marjan Keršič aka Belač (Slovene: Marjan Keršič - Belač) (18 May 1920 – 3 June 2003) was a Slovenian sculptor and mountaineer.
From 1962 to 1966 he taught sculpture at the School of Visual Design in Ljubljana.
His first works can be classified as typical of Social Realism (a monument to the Slovene National Liberation Struggle in Planina pri Rakeku, 1953).
Later he continued in a moderate Realism (Aleš Bebler Monument in Nova Gorica, 1981).
They ascended Trisul III (6,007 metres or 19,708 feet).