This list is not complete. Keep in mind the difference between sexism in a story and a sexist story. We do.
Tropes that are on TVTropes are linked to the relevant page.
A Match made in Stockholm
Asexuals Are Prudes
Black Like Me
Bondage Is Bad
Captain Ethnic (Exception: #ownvoices stories)
Color Me Black
Double Standard: Abuse, Female on Male
Girl-on-Girl Is Hot (This trope applies ONLY when ff sex is in-story for the sake of a male character.)
Rape and Switch
Rape Portrayed as Redemption
Sex Is Evil
The Chief’s Daughter
White Man’s Burden