de Reiger and variant forms Reiger, Reigers, and De Reijger is a Dutch surname. Notable people with the surname include:
Kerreen Reiger (born 1946), Australian academic, sociologist and author Margie Reiger, silent movie actress Mason Reiger (born 2002), American football player
Reiger or de Rieger is also a placename:
De Reiger, a windmill and smock mill in Nijetrijne, Friesland, Netherlands Reiger Park, a township in Gauteng, South Africa
See also De Dans van de Reiger, a 1966 Dutch film Heron (De Reiger means 'the heron' in Dutch)