Reunert is a surname and given name, likely of South African origin. Notable people with the surname or given name include:

Surname

• Clive Reunert (1887–1953), South African first-class cricketer and barrister
• John Reunert (1886–1946), South African first-class cricketer

Given name

• Ronnie Bauser (1928–2017), real name Reunert Bauser, South African rugby union player