Mercep, also Merćep and Merčep, is a surname. Notable people with the surname include:

Ivan Mercep (1930–2014), New Zealand architect Mihailo Merćep (1864–1937), Serbian flight pioneer Simon Mercep (born 1960), New Zealand television and radio journalist Tomislav Merčep (1952–2020), Croatian politician and paramilitary leader

See also