Terell Lionel Ondaan (born 9 September 1993) is a professional footballer who plays as a winger for Ajax Amateurs.

Born in Amsterdam, Ondaan played in the youth academies from HFC Haarlem, AFC Ajax and AZ Alkmaar.

Willem II sold winger Virgil Misidjan to PFC Ludogorets Razgrad and wanted Ondaan to replace him.

[4] Ondaan represented Netherlands during the 2015 UEFA European Under-21 Championship qualification Group 3 campaign, playing against Georgia during September 2014.

In May 2019, he was named on the Guyana national football team's provisional list for the 2019 CONCACAF Gold Cup.