Joshua Williamson is an American comic book writer. Though most well known for his work on The Flash (Vol. 5), he wrote the third volume of the Batman comic series from #118 to #124.
Williamson also oversaw the first fifteen issues of Batman/Superman (Vol. 2), Robin (Vol. 3) and contributed to the Legends of the Dark Knight comic book series. He has also contributed to the Batman mythos in the Future State event, writing its Gotham series and contributing to Dark Detective series.