Slabbert
Slabbert is a surname of Middle Dutch origin, meaning either "herring fisher" or "glutton foul-mouthed person". Notable people with the surname include:

Deon Slabbert (born 2000), South African rugby union player
Dihan Slabbert (born 1982), South African singer, performer, composer, producer, musician, and songwriter
Frederik van Zyl Slabbert (1940–2010), South African political analyst, businessman, and politician
Marcelle Slabbert, South African rugby league player

See also
Ex parte Slabbert, an important case in South African insolvency law 

Surnames of Dutch origin
Dutch-language surnames