Wilbek is a Danish surname. Notable people with the surname include:
Birgitte Wilbek (1928–2025), Danish handball and basketball player Susanne Munk Wilbek (born 1967), Danish handball player and coach, wife of Ulrik Ulrik Wilbek (born 1958), Danish politician and former professional handball coach, son of Birgitte
See also Wilbekin, people with this surname