John Bull is the name associated with an English-language voice actor known for his work in anime dubs produced in the United Kingdom during the late 1980s and early 1990s. His career is closely linked to the early days of anime localization in the UK, a period when many classic original video animations were dubbed into English for distribution in Western markets.

His body of work primarily consists of voice roles in English dubs for several notable OVAs from that era. He is credited as the voice of the character Mohican in the Manga UK English dub of the 1988 OVA series Dominion Tank Police. He provided the voice for Hacker in the English version of the 1989 OVA series Angel Cop. Additionally, he voiced the character Slum King in the English dub of the 1986 OVA Violence Jack. His filmography also includes minor, uncredited roles in other English dubs of the period, such as providing voices for a cop and a terrorist in the OVA Appleseed.

The information available about John Bull's career is limited to these specific credits, which are consistently documented across anime databases and film resources. His work is a part of the history of anime's introduction to English-speaking audiences through the productions of companies like Manga Entertainment.