Kenneth “Spider” Sinnaeve is a Canadian musician. He was a founding member of the popular Canadian band Streetheart, as well as playing and contributing to albums and live performances of artists such as George McRae, Helix, Tom Cochrane & Red Rider, Kim Mitchell, The Partland Brothers, Lee Aaron, Loverboy and The Guess Who. Sinnaeve is now a member of Loverboy, replacing late original member Scott Smith.
Spider is well known for his blazing solos often lasting between 15–20 minutes. He has played on countless albums with multiple artists. He is known to use Markbass amplifiers and Warwick basses. Awards include several Junos, Ampex Golden Reel, and a Technics All Star Band award as bass player of the year. He has been inducted into the Western Canadian Music Hall of Fame twice as well as the Juno Hall of Fame.