Saint Asonia (stylized as SΔINT ΔSONIΔ) is a Canadian-American rock supergroup consisting of lead vocalist and rhythm guitarist Adam Gontier, lead guitarist Mike Mushok, bassist and backing vocalist Cale Gontier, and drummer Cody Watkins.

In April 2014, Staind guitarist Mike Mushok and ex-Three Days Grace singer Adam Gontier began writing songs together, without the intention of creating a band.

[1] The duo later enlisted former Finger Eleven drummer Rich Beddoe, and former Dark New Day bassist Corey Lowery to complete their lineup.

[4] They made their debut live performance at Rock on the Range as the opening act for the main stage on May 16, and were billed as a special guest.

"[4] In June 2015, the band announced that their debut self-titled album would be released on July 31 that same year via RCA Records featuring 11 tracks.

[14] On June 5, 2017, drummer Rich Beddoe confirmed that he had left Saint Asonia on good terms to do other things.

[15] On July 12, 2017, the band played their first show with Mike Mushok's former Staind bandmate Sal Giancarelli on drums.

[26] On April 19, 2022, the band teased a new single on their Twitter account with an image taken from the new music video, along with the lyrics "We've been drowning for far too long.

[33] In December 2023, Gontier was featured on Thousand Foot Krutch's 2023 version of their single, "Let the Sparks Fly".

[35] In July 2024, it was announced that the group was joining Theory of a Deadman on their Unplugged Tour in October and November.

"[37] Shortly after, on October 3, Gontier returned to Three Days Grace full-time, with Matt Walst (who replaced him in 2013) remaining a lead vocalist as well.

[42] Their debut studio album has been described as post-grunge and hard rock, blended with "catchy vocal melodies.