Astin

Astin is a family name.

People:
* Alexander Astin - Professor at the University of California, Los Angeles
* Alexandra Astin - American actress, daughter of actor Sean Astin
* Allen V. Astin - Director of the National Institute of Standards and Technology 1951–1969
* Christine Astin - Wife of Sean Astin
* Edwin R. Astin - Author of "The Wicked Bible" (2001), referring to a Bible published in 1631
* Foulque D'Astin - Bishop of Lisieux 1250–1267
* John Astin - American actor
* Mackenzie Astin - American actor, son of Patty Duke and John Astin
* Patty Duke Astin - American actress, wife of John Astin
* Sean Astin - American film actor, director, and producer, son of Patty Duke Astin
* Skylar Astin - American actor

Fictional people:
* Jan Rek ter'Astin - A character in the fictional Liaden universe
* Dr. Robert Astin - A fictional doctor in the United States television series Quincy

Other:
* ASTIN - A section of the International Actuarial Association, an acronym for "Actuarial STudies In Non-life insurance"
* ASTIN Bulletin - An international scientific journal for actuarial mathematics
* Astin Weight - Piano manufacturer
* Allen V. Astin Measurement Science Award
* R. Q. Astin House - Building in Brazos County, Texas, USA
* J. P. Astin House - Building in Jones County, Texas, USA