RockJam is a music gear brand operated out of Manchester, England by PDT Ltd, focused on affordable entry-level instruments aimed at beginners and casual players. The line is built around digital keyboards and starter packages — models like the RJ561 and RJ761 61-key keyboards and the 5061 keyboard super kit are among the catalog's most visible products, typically bundled with stands, benches, headphones and learning materials. The brand also sells acoustic and electric guitars, ukuleles, percussion such as bongos, and accessories including the KB100 keyboard bench.

The company was founded in the mid-2000s and has built its distribution primarily through online retail, with its keyboards and guitars consistently ranking as best sellers in the entry-level category on Amazon in the United States, the United Kingdom, and continental Europe. Sister brands under the same parent group include Martin Smith, Music Alley, Windsor Music, and Singing Machine.

RockJam is positioned squarely at the budget, gift, and first-instrument segment rather than the professional market, and the brand is rarely found on stage or in studio rigs of established artists. Its visibility comes mostly from beginner-keyboard buyer guides, mass-market e-commerce listings, and unboxing and review videos on YouTube.

RockJam has 14 products cataloged on Equipboard, including Portable & Arranger Keyboards, Beginner Kits, and Digital Pianos. Their gear is featured by 1 artist, with the strongest followings in Electronic. Notable users include Freddy Fresh.