Ager is an Anglo Saxon and Danish surname, and it derived from the given name Agar. Notable people with the surname include:
Andrew Ager (born 1962), Canadian composer Cecelia Ager (1902–1981), American film critic Christina Ager (born 1995), Austrian Alpine skier Deborah Ager, American poet John Ager (born 1949), American politician Klaus Ager (born 1946), Austrian composer and conductor Maurice Ager (born 1984), American basketball player Maria Ager, Austrian chess master Milton Ager (1893–1979), American pianist and composer Nikolaus Ager (1568–1634), French botanist born in Alsace Simon Ager (born 1970), British linguist and author of the online encyclopaedia Omniglot Waldemar Ager (1869–1941), Norwegian-American newspaperman and author
Fictional characters Captain Ager and Lady Ager, characters in the 1617 play A Fair Quarrel William Ager, chief antagonist in M R James' 1925 ghost story A Warning to the Curious
See also Wendy Ager-Grant (born 1953), British fencer Christen Ager-Hanssen (born 1962), Norwegian Internet entrepreneur & venture capitalist