Susan Lontine is an American politician who served in the Colorado House of Representatives from the 1st district as a member of the Democratic Party.

She served as a precinct captain for four years, worked in Representative Jeanne Labuda's office, and as the chief of staff for Senator Irene Aguilar.

During her tenure in the state house she served as the chair of the Health and Insurance Committee and accused Senator Larry Crowder of sexual harassment.

[1][2][3] Lontine ran for the Democratic nomination for a seat in the state house from the 1st district and won in the 2014 election against Republican nominee Raymond Garcia, Libertarian nominee David Hein, and independent candidate Jon Biggerstaff.

[18] Lontine was among thirty-seven legislators who endorsed a letter in 2018, calling for Planned Parenthood to allow for their workers to form a union.