Sharon Rachel Osbourne is an English television personality, music manager, and author. She is married to heavy metal singer Ozzy Osbourne and came to prominence while appearing on The Osbournes (2002–2005), a reality television show that aired on MTV, which followed her family's daily life. Osbourne later became a judge on television talent competition shows, including The X Factor (2004–2007, 2013, 2016–2017) and America's Got Talent (2007–2012).
Osbourne is credited with reviving her husband's heavy metal career by founding the summer Ozzfest tour, which was held almost annually between 1996 and 2018. In light of her success managing her husband, she branched out into managing other acts, such as Gary Moore, Motörhead, Lita Ford, and The Smashing Pumpkins, through her own talent management company Sharon Osbourne Management.
From 2003 to 2004, Osbourne hosted her own television talk show The Sharon Osbourne Show, which was syndicated to various US channels and also shown in the UK on Sky One. In 2010, she was a contestant on the NBC reality show The Celebrity Apprentice, and became a co-host on the CBS talk show The Talk, hosting until her termination in 2021. In 2022, she joined TalkTV, hosting a prime time show also titled The Talk. In 2024, Osbourne appeared as a celebrity lodger on the twenty-third series of the ITV reality show Celebrity Big Brother.
As an author, Osbourne has released three autobiographies and two novels. Her first autobiography, Extreme, debuted at number one on the Sunday Times best-seller list and went on to become the most successful female autobiography ever in the UK.