Mucenieks (Old orthography: Mutzeneek; feminine: Muceniece) is a Latvian occupational surname, derived from the Latvian word for "cooper". Individuals with the surname include: Agata Muceniece (born 1989), Latvian actress, model, and television presenter Aina Muceniece (1924–2010), Latvian doctor, inventor of the RIGVIR virotherapy Guntars Mucenieks, Latvian musician from Līvi Aivars Mucenieks, mayor of Ventspils Municipality, Latvia (as of 2013) Elvijs Mucenieks, Latvian sidecarcrosser Jēkabs Mucenieks, Brand designer