David Pettitt, also known as David Alan Pettitt, is a Canadian voice actor born in Edmonton, Alberta. His career in the entertainment industry began in the mid-1980s, and over the decades he has become a prolific figure in anime dubbing, particularly for series produced by Blue Water Studios in Calgary.

Pettitt is widely recognized for his extensive work within the Gundam franchise. His most iconic anime role is Master Asia in Mobile Fighter G Gundam, a character he has also voiced in several related video games such as the Dynasty Warriors: Gundam series. He also contributed to the Gundam universe with roles like Henken Bekkener in Zeta Gundam and other minor characters across various series in the mecha genre. Beyond Gundam, he provided English dub voices for numerous characters in the Blue Water Studios adaptations of the Dragon Ball and Dragon Ball GT series, including Hercule, Mr. Popo, and Shenron. His other notable anime credits include roles in Zoids: Chaotic Century and Zoids: Guardian Force, Betterman, Inuyasha, Angel Links, and Death Note.

In the specific example of the series Saber Marionette J to X, Pettitt voiced the character Yan. His other roles in this series include Kamataro Hanagata and Colonel Roland. His career also extends into video games, where he is known for voicing characters like Sigma and Avalanche Yeti in Mega Man X8, Epsilon in Mega Man X Command Mission, and the title character Gregory in the Gregory Horror Show series.

Pettitt has achieved significant recognition for his work as a narrator outside of anime. Since 2012, he has been the narrator for the widely successful Discovery Channel Canada documentary series Highway Thru Hell, a role that has become one of his most prominent. He also narrates the series' sister show, Heavy Rescue: 401. In 2014, he provided the narration for the critically acclaimed video game Valiant Hearts: The Great War, which won a BAFTA Award. His voice has also appeared in other diverse projects, including a guest role as Sludge in My Little Pony: Friendship is Magic. He operates his own voice-over business from his studio in Nanaimo, British Columbia.