**This answer will contain spoilers! Don't read unless you're not planning on reading Hunger Games, Catching Fire, or Mockingjay!**
Throughout the story Katniss is never "with" Peeta, it is mostly an act. In Catching Fire, Peeta stages a proposal for the capitol and she says yes, but later they break this off because they're busy escaping from the capitol.
SPOILER: Yes.
Katniss Everdeen-Stay with me.Peeta Mellark-Always.Mockingjay, page 314
there are five but the two main ones are katniss and Peeta
Jennifer Lawrence will play Katniss Everdeen and Josh Hutcherson will play Peeta Mellark.
For the girls Primrose Everdeen is selected at the reaping, Katniss Everdeen volunteers as tribute. She takes Prim's place. For the boys Peeta Mellark is selected
Katniss, Peeta, Haymitch, Finnick, Betee, Johanna, Cinna, Gale, Thread, President Snow
SPOILER: Yes.
Katniss Everdeen
Katniss Everdeen, and Peeta Mellark
Katniss Everdeen-Stay with me.Peeta Mellark-Always.Mockingjay, page 314
Katniss, Peeta, Gale, and Haymitch
At the end of the trilogy, Katniss is in love with Peeta Mellark. They have kids in the epilogue.
peeta gave bread to katniss when they were 12 and katniss and prim and their mom were starving
Peeta Mellark.
Katniss Everdeen and Peeta Mellark. (They both win)
Katniss Everdeen , Peeta Mellark , Rue , Cato , Foxface , Prim (Primrose) Everdeen , Gale Hawthorne.
there are five but the two main ones are katniss and Peeta