"Sin So Sweet" is a song by American country music singer Warren Zeiders, released on November 17, 2023, as a promotional single ahead of the deluxe reissue of his 2023 album, Pretty Little Poison.

Zeiders co-wrote the song with Blake Pendergrass and Justin Ebach, the latter of whom also produced it.

The song is a departure from Zeiders's usual country sound, instead opting for a rock sound.

Lyrically, the song is about toxic love.

This 2020s single-related article is a stub.