Epic Rap Battles of History, officially shortened to ERB or ERBoH, is a YouTube video series created by Peter Shukoff (a.k.a. Nice Peter) and Lloyd Ahlquist (a.k.a. EpicLLOYD). The series pits famous historical and pop culture figures, real and fictional, against one another in a rap battle format. As of October 2014, it is the 14th most subscribed channel on YouTube with over 11 million subscribers and over 1.3 billion total views.

Although early episodes of the series featured only Nice Peter and EpicLLOYD, later episodes have regularly featured guest appearances from other internet celebrities such as Lisa Donovan, Timothy DeLaGhetto, George Watsky, DeStorm Power, Jesse Wellens, Jenna Marbles, Rhett and Link and Smosh. Media celebrities like rappers Snoop Dogg and Chali 2na, parody artist "Weird Al" Yankovic, and the comedian duo Keegan-Michael Key and Jordan Peele have also appeared in the series.