Paul Brandon Gilbert (born November 6, 1966) is an American instrumental rock guitarist. He is best known for being the co-founder of the band Mr. Big. He was also in a band called Racer X, for which they released several albums. Following Mr. Big's disbandment in 1996, Gilbert launched a solo career, for which he has released numerous solo albums, and featured in numerous collaborations and guest appearances on other musicians' albums.
Gilbert has been voted fourth-best on GuitarOne magazine's "Top 10 Greatest Guitar Shredders of All Time". He has also ranked in Guitar World's "50 Fastest Guitarists of All Time" list.