Greg Pak is an American comic book writer and film director. He is best known for his work on books published by Marvel Comics, including X-Men, several titles featuring the Hulk, and Hercules. In 2019, Pak began writing Star Wars comics for Marvel.

X-Treme X-Men is the name of two comic book series published by Marvel Comics, the first from 2001 through 2004, and the second from 2012 through 2013. All 46 issues of the first series were written by Chris Claremont, and featured a globetrotting X-Men team led by Storm. The first 24 issues were drawn by Salvador Larroca, and the final 22 issues were drawn by Igor Kordey.