Mollie O'Brien (born October 25, 1952) is an Americana, bluegrass, R&B, and folk singer from Wheeling, West Virginia. in addition to a series of solo albums, she has released a number of Americana albums as Tim & Mollie O'Brien (with her brother, Grammy-winner Tim O'Brien), and one as Mollie O'Brien & Rich Moore with her husband, guitarist Rich Moore.

In 2012, O'Brien, Moore, and their two daughters, along with Tim O'Brien and his two sons, collectively billed as O'Brien Party of 7, released the album "Reincarnation: The Songs Of Roger Miller", a tribute album to Roger Miller.

Her band Mollie O'Brien and The Blue Tips won Westword's Best Blues Band in 1990 and 1991. She was a vocalist on True Life Blues: The Songs of Bill Monroe which won the Grammy Award for Best Bluegrass Album in 1997. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.