Ian Charles Calderon (born October 19, 1985) is an American politician who served in the California State Assembly.

He is a Democrat who represented the 57th Assembly District, which encompasses the Gateway Cities and portions of the San Gabriel Valley from 2012 to 2020.

[1] In November 2019, he announced that he would not be running for reelection in 2020, citing his desire to spend more time with his growing family.

[2] He is the son of former Assemblymember and State Senator Charles Calderon.

His stepmother, Lisa Calderon, succeeded him in the Assembly.