Olaf Wijnants is a Dutch voice actor who provided voices for De Freggels (the Dutch dub of Fraggle Rock, both puppet and animated series) and Sesamstraat, the Dutch co-production of Sesame Street.

Wijnants performed Wembley Fraggle, Philo and Convincing John on De Freggels. For Sesamstraat, he provided occasional background voices. In DVD releases, live shows and other projects outside the TV series, Olaf lends Big Bird his Dutch voice, as well as Bug in The Adventures of Elmo in Grouchland.