Jager is a Dutch occupational surname meaning "hunter". People with this surname include:
Durk Jager (born 1943), Dutch businessman in the United StatesEric Jager (born 1957), American medievalist and literary criticEvan Jager (born 1989), American long distance runnerFinne Jager (born 1984), Dutch trance music DJ and producerHenry Jager (born 1879), New York assemblyman 1921Maja Jager (born 1991), Danish archerMarike Jager (born 1979), Dutch singer-songwriter, guitarist and television presenterMatt Jager (born 1988), Australian golferRobert E. Jager (born 1939), American composer, music theorist and a conductorTom Jager (born 1964), American freestyle swimmer, five-time Olympic champion