Nigel Greaves is an English actor known for his voice work in English-language dubs of Japanese anime series and films, primarily during the late 1980s and early 1990s. His career encompasses both live-action television roles in the United Kingdom and voice acting for animated productions.

Greaves provided voices for several English adaptations of Japanese original video animations and series. He voiced the character Shukumaru in the 1985 fantasy OVA Fire Tripper, part of the Rumik World series. In the science fiction space opera Odin: Starlight Mutiny, he is credited as the voice of Jiro in the 1992 English version. He also took on the role of Varsus, the bureaucratic computer system, in the cyberpunk OVA Cyber City Oedo 808. His work in the genre also includes the role of Kei in the 1994 OVA Bounty Dog. Additionally, he voiced Junichi Narutaki in the English adaptation of the historical horror OVA Doomed Megalopolis, released in 1993.

Greaves' filmography indicates recurring work with animation distributors involved in bringing Japanese anime to English-speaking audiences during this period, such as Manga Entertainment and Central Park Media. Beyond the titles listed, his voice acting credits include roles in other anime adaptations, such as Riyu in the 1992 project Sacred Rig-Veda and a role in the 1987 series Bikkuriman. His contributions during this era place him among the voice actors who helped introduce anime to a wider international audience through English dubs.