Hagar is a biblical person in the Book of Genesis, handmaid of Sarah (the first wife of Abraham) and mother of Abraham's son Ishmael.

Hagar may also refer to:

Hagar in Islam Hagar (name) Hagar, Ontario, a community in the Canadian province of Ontario Hagar Township, Michigan Hagar (company), an Icelandic retail company, part of the Baugur Group Ħaġar Qim, a megalithic temple complex found on the Mediterranean island of Malta, dating from 3600 to 3200 BC Hägar the Horrible, a comic strip by Dik Browne as well as the name of its main character 682 Hagar, a presumed asteroid Hagar the Womb, an English punk rock band

See also Haggar (disambiguation) Hager, surname Hagger, surname Hajar (disambiguation)