De Laet is a Dutch-language occupational surname. A "laet" (modern spelling "laat") was a type of (released) serf.[1] The archaic spelling De Laet is most common in Belgium, especially around Antwerp,[2] while "de Laat" is more common in the Netherlands, especially in North Brabant.[3] People with this name include:
- De Laet / DeLaet
- Carlos de Laet (1847–1927), Brazilian journalist, professor and poet
- Jaspar Laet, 16th-century Flemish medical astrologer and almanac maker
- Graham DeLaet (born 1982), Canadian golfer
- Lost Frequencies, real name Felix De Laet (born 1993), Belgian DJ and record producer
- Joannes de Laet (1581–1649), Dutch geographer and director of the Dutch West India Company
- Ritchie De Laet (born 1988), Belgian footballer
- De Laat / DeLaat
- Itzhak de Laat (born 1994), Dutch short-track speed-skater
- Jacqueline DeLaat (1943–2009), American political scientist
- Sanne de Laat (born 1995), Dutch archer