There are at least four acts that have used the name Retch:

1. RetcH, also known as Retchy P, is a hip hop artist and one part of the DD172/BluRoc group The Heirs.

2. Side-project of powerelectronics act Torso (itself a side-project of powerelectronics act Plague Mother) consisting of Roman J and Sarah Barker. Released a single eponymous cassette on Compulsion Rites in 2012.

3. A Brutal death/goregrind band from USA.

4. Black/Thrash Metal band from Tokyo, Japan.