Wiet is both a masculine given name and a surname. Notable people with the name include:
Given name Wiet Huidekoper (1953–2023), Dutch racecar designer and technical director Wiet Van Broeckhoven (1949–2019), Belgian radio presenter and writer
Surname Gaston Wiet (1887–1971), French orientalist Helene Wiet (1871–1939), Austrian opera singer Magda Wiet-Hénin (born 1995), French taekwondo athlete Matt Wiet (born 1990), American former soccer player Orlando Wiet (1965–2026), Surinamese-Dutch kickboxer, boxer, and mixed martial artist Therese Wiet (1885–1971), Austrian operetta and concert singer
See also Valérie Hénin (born 1967), French boxer, kickboxer and Muay Thai fighter Wied (disambiguation)