Van Dyk or Dyk is a common surname, and may refer to:
Ernst Van Dyk (born 1973), South African wheelchair athlete
Irene van Dyk (born 1972), South African-born New Zealand athlete, one of the world's best-known netball players
Joost van Dyk (17th century), Dutch privateer
Paul van Dyk (born 1971), German electronic dance music DJ, musician and record producer
Viktor Dyk (1877–1931), Czech poet, prose writer, playwright, politician and political writer
Walter van Dyk (born 1961), British singer and composer
