Bhengu is a surname. Notable people with the surname include:
Edward Bhengu (1934–2010), South African activist Fezile Bhengu (born 1954), South African politician Geoffrey Bhengu (born 1940), South African politician Mahlengi Bhengu, South African politician Makhosonke Bhengu (born 1983), South African politician Mfuniselwa Bhengu (born 1953), South African politician and philosopher Nicholas Bhengu (1909–1985), South African evangelist Nokukhanya Bhengu (1904–1996) South African teacher, farmer, women's leader and anti-apartheid activist Nozipho Bhengu (1974–2006), South African AIDS victim Phumelele Bhengu (born 1989), South African footballer Phumzile Bhengu-Kombe, South African politician