Sinful Deeds is the second EP of the Finnish progressive metal band Crimson Lotus.

It was released on 5 September 2005.

Original album artwork created by Lydia C. Burris.

Guest musicians: Matti Auerkallio (vocals on tracks 1, 2 and 5), Susanna Syrjä (vocals on tracks 1, 3 and 4), Landis Lee Bender II (vocals on tracks 3 and 4), Hannu Leppänen (guitar chase solo on track 2), Laura Hagström (piano on track 4).