Joos is a given name. Notable people with the given name include:
Joos Ambühl (born 1959), Swiss cross country skier Joos de Beer (died 1591), Early Netherlandish painter Joos van Ghistele (c. 1446–c. 1525), Flemish nobleman Joos de Momper (1564–1635), Flemish landscape painter Joos van Cleve (c. 1485 – 1540/1541), Flemish painter Joos van Craesbeeck (c. 1605/06– c. 1660), Flemish baker and painter Joos van Winghe (1544–1603), Flemish Renaissance painter Joos Valgaeren (born 1976), Belgian international professional footballer
See also Joos (surname)