His Majestys Dub is a 1983 dub album by King Tubby and Prince Jammy, sometimes credited to Prince Jammy v King Tubbys.

It featured Carlton Barrett and Sly Dunbar on drums, Robbie Shakespeare and Aston Barrett on bass guitar, and Ansel Collins on keyboards, among other personnel.

The album was produced by Jah Woosh and engineered by King Tubby and Prince Jammy, along with Maxie and frequent collaborator Errol Thompson.

Like many other dub and reggae records, this album has been (re)released on several different labels with several different covers.

Remixed at King Tubby's Studio, Kingston, Jamaica "Special thanks to the singers and players who helped to make this album possible.