Peter Mociulski von Remenyk (September 3, 1945 – April 16, 2016), known professionally as Peter Rock, was an Austrian-born Chilean rock and roll and nueva ola musician.

He sang in Festival de Viña del Mar and in Bierfest Valdivia.

He was born near Vienna in 1945, shortly after the death of his father.

[1] Peter Rock's son, Justin Leigh, resides in Los Angeles and his daughter Natalie lived with him in Santiago, Chile.

Peter Rock is Alain Johannes' uncle.