1.) Book: The prep team is Venia, Flavius, and Octavia.
Movie: The prep team isn't named.
2.) Book: Madge gives Katniss the Mockingjay pin.
Movie: There is no Madge, and Prim gives it to Katniss.
3.) Book: During training, Peeta and Katniss are the only ones wearing the same thing.
Movie: All tributes are wearing the same outfit.
4.) Book: In the tribute parade, it is Cinna's idea for Katniss and Peeta to hold hands.
Movie: It is Peeta's idea to hold hands.
5.) Book: Katniss's visitors after the reaping are Prim, Mrs. Everdeen, Mr. Mellark, Madge, and Gale.
Movie: Her only visitors are Prim, Mrs. Everdeen, and Gale.
6.) Book: Katniss remembers a past encounter with the Avox girl.
Movie: The Avox girl is present, but there is no backstory.
There are lots more; see if you can find them!