Rob Williams is a British comic book writer, working mainly for 2000 AD.

Williams started out as a freelance journalist and creator of corporate videos. He decided to try comcis writing resulting in Cla$$war, published by Com.x and illustrated by several artists, including Trevor Hairsine and Travel Foreman. It started published in 2002 and, after a three-year hiatus from the publisher a complete collection was released in 2009.

The comic series was read by Andy Diggle, who was the editor of 2000 AD at the time and contacted Williams, resulting in a number of series, first the two-part Asylum, with Boo Cook and then ongoing Low Life, initially with Henry Flint. and He would also produce one-offs there like Breathing Space with Laurence Campbell, who he would work with again on the 2006 Wolverine Christmas Special. Williams has also written for the Star Wars Tales and Star Wars: Rebellion comics from Dark Horse, and his latest project is also with them, writing Indiana Jones and the Tomb of the Gods.