Van Rooyen
Van Rooyen or Van Rooijen is an Afrikaans and Dutch toponymic surname. "Rooij" or "Roij" was a local term for many towns ending with "rode" or "roij", like Nistelrode, Sint-Oedenrode, Stramproy and Wanroij. This suffix itself means "a clearing made by men". Notable people with the surname include:
- Ack van Rooyen, Dutch jazz trumpeter, brother of Jerry
- Aimee van Rooyen, South African rhythmic gymnast
- Basil van Rooyen, South African racing driver
- Cornelis van Rooyen, South African-born Rhodesian big game hunter and dog breeder
- *Van Rooyen's Lion Dog, bred by him
- David van Rooyen, South African politician, Government Minister 2015–18
- Diederik van Rooijen, Dutch television and movie director
- Erik van Rooyen, South African golfer
- Gert van Rooyen, South African serial killer
- Jacques van Rooyen, South African rugby player
- Jerry van Rooyen, born "Gerard van Rooijen", Dutch trumpeter, conductor, and composer
- Laurens van Rooyen, Dutch pianist and composer
- Manon van Rooijen, Dutch swimmer
- Martin van Rooijen, Dutch politician, State Secretary of Finances 1973–77
- Maurits van Rooijen, Dutch social and economic historian
- Michael VanRooyen, American humanitarian and physician
- Mitchell van Rooijen, Dutch football forward
- Myriam van Rooyen-Steenman, Dutch rower
- Olivia van Rooijen, Dutch rower
- Reynier van Rooyen, South African rugby player
- Rocco van Rooyen, South African javelin thrower
- Rudi van Rooyen, South African rugby player
- Shaun van Rooyen, New Zealand soccer player
- Stephen Mark van Rooyen, South African medical fraudster; a US most wanted fugitive
- Tank van Rooyen, South African rugby player
- , Dutch mountaineer who survived the 2008 K2 disaster