To be fair 90% of the women that Chris Claremont created for the X-Men books would've been queer if Marvel would've let him, he's been pretty clear on that

But seriously, just pointing out the more obvious ones:

Karma is an out-and-out lesbian

Rictor and Shatterstar are gay and pansexual, respectively, and are/have been in a relationship with each other

Magik is possibly asexual, having never been given a romantic interest in the comics, but may also be wlw, since her one major depiction of being in a relationship (albeit in one of the 'Secret Wars' pseudo-AU Battleworlds) has her hooked up with Leah, the daughter of Hela

The rest, well

Just varying levels of queerness all around. Especially Dani and Rahne.