Fall-from-Grace: Asexual

Kim Kitsuragi: Gay

Veronica: Lesbian
Arcade Gannon: Gay
Rose of Sharon Cassidy: Bisexual

Vamp: Bisexual

Okay, I don’t even like Vamp that much but this was too good to not include here.

Max Caulfield and Chloe Price: Lesbian

Frisk: Non-Binary

Judy: Lesbian
Kerry: Gay

Nocturne: Transfemme
Astarion: Bisexual

Literally the whole romanceable companion cast is technically bisexual, but Astarion is my fav.

Kainé: Intersex
Emil: Gay

Ciri: Bisexual