Van Royen or Van Roijen is a 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".Roijen, van (y) at the Database of Surnames in The Netherlands Notable people with the surname include:

Adriaan van Royen (1704–1779), Dutch physician and botanist Heleen van Royen (born 1965), Dutch novelist and columnist Herman van Roijen (1905–1991), Dutch diplomat and politician, Minister of Foreign Affairs in 1946 Marjon van Royen (born 1957), Dutch journalist and foreign news correspondent Willem Hendrik Wilhelmus van Royen (1672–1742), Dutch game still life and animal genre painter Willem Frederiksz van Royen (c.1645–1723), Dutch still life and flower painter

Snel van Royen Rudolph Snel van Royen (1546–1613), Dutch linguist and mathematician Willebrord Snel van Royen (1580–1626), Dutch astronomer and mathematician, son of Rudolph

See also Van Rooyen and Van Rooij, surnames of the same origin

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