Sharon Rachel Osbourne (née Levy, previously Arden; born 9 October 1952) is a British music manager and promoter, television personality and presenter. She is the wife of singer-songwriter Ozzy Osbourne.

She came into public prominence after appearing in The Osbournes, a reality television show that followed her family's daily life. Osbourne later became a judge on the talent shows The X Factor and America's Got Talent. Her autobiography, Extreme, has sold in excess of two million copies.

After the success of The Osbournes and The X Factor, hosting her own chat shows and securing advertising contracts, Osbourne was ranked as the 25th richest woman in Britain on the 2009 Sunday Times Rich List. Sharon and husband, Ozzy Osbourne, are currently ranked as the 724th richest people in Britain with an estimated joint wealth of £110 million. Sharon Osbourne previously revived Ozzy's metal career and she stands as the founder of Ozzfest.