Frank Rosaly (born May 30, 1974) is a Puerto Rican American drummer, composer, and sound designer associated with a transparent compositional approach to drumming across various styles of music including jazz, improvisation, rock and experimental music.

His mother Carmen (née Amoros) was a secretary, his father Francisco was an accountant.

Starting out in the Flagstaff and Phoenix, Arizona, music scenes, Rosaly relocated to Los Angeles for a time before returning to NAU from 1999 to 2000.

[2] It was in this time that Rosaly performed extensively with composer/bassist Joel DiBartolo in Raging Jazz Project which also included future Big Gigantic founder Dominic Lalli.

[3] In addition to performing and recording within the local scene and groups, Rosaly also produces the solo project Milkwork: A Study in Integration of Electronically Manipulated Percussion Instruments.