Transformers: Lost Light is an American science fiction / action-adventure comic book written by James Roberts and published by IDW Publishing, taking place in their Transformers universe. Lost Light acts as a sequel to The Transformers: More than Meets the Eye which was published from 2012 to 2016, also written by Roberts. Following the "Revolution" event which integrated numerous of Hasbro's franchises into the Hasbro Comic Book Universe, including Transformers, More than Meets the Eye ended with #57 and was continued with Lost Light from December 2016 to November 2018.

The Transformers is a comic book line by IDW Publishing based upon Hasbro's Transformers characters and toy line, featuring many writers and artists across multiple series. It is notable for being the longest continuously running Transformers continuity to date, beginning in October 2005 with The Transformers: Infiltration and ending in November 2018, after the six-issue Unicron event comic. The following year, it would be rebooted and succeeded by a new comic book series on 2019.