Rashawnna Guy (born January 3, 1978), better known by her stage name Shawnna is an American rapper. She was the first female artist signed to Def Jam through Ludacris' Disturbing tha Peace Records. She is a former member of the female Chicago rap duo Infamous Syndicate and she is also the daughter of the blues musician Buddy Guy.

She is known for her rapid fire delivery and her sexually explicit image and lyrics. She is one of only four female rappers (others being Lauryn Hill, Lil' Kim and Remy Ma) to ever have a #1 song on the Billboard Hot 100 with 2003's "Stand Up" with Ludacris.

An MC from the south side of Chicago and the daughter of blues guitarist Buddy Guy. Shawnna began writing rhymes while in high school. She caught her first break in 1996, when her duo Infamous Syndicate opened for Junior M.A.F.I.A. in Chicago. Infamous Syndicate signed to Relativity a year later and released "Changing the Game" in 1999. The album did not live up to its title, despite production help from No I.D. and Kanye West, the duo was dropped and eventually split. She then went on to team with Ludacris where she was featured on his song "What's Your Fantasy". Before she recorded her first album, Shawnna was featured on the remix to the song "Loverboy" by Mariah Carey for the album and movie Glitter. She was featured in the video along with Ludacris, Da Brat, and Twenty II.