Barb is a feminine given name, often a short form (hypocorism) of Barbara. It is also sometimes a surname.

People

Barb Bellini (born 1977), Canadian retired volleyball player
Barbara Barb Bond (born 1962), American former rugby union player, United States team captain in 1991
Barbara Barb Bunkowsky (born 1958), Canadian former LPGA golfer
Barbara Barb Goodwin (born 1949), American politician
Barb Haley (born 1963/64), American politician
Barb Honchak (born 1979), American professional mixed martial artist
Barb Jungr (born 1954), English singer, songwriter, composer and writer
Barb Kniff McCulla (born 1956), American politician
Barbara Lindquist (born 1969), American triathlete
Barbara Barb Miller (born 1958/59), Canadian politician
Barb Mucha (born 1961), American LPGA golfer
Barbara Barb Spencer (born 1966), Canadian curler
Barb Tarbox (1961–2003), Canadian anti-smoking activist
Barb Whitehead (born 1961), American LPGA golfer
Barb Yarusso (born 1956), American politician

Alphons Barb (1901–1979), Austrian-born academic, archaeologist, numismatist, museum director and author
Heinrich Alfred Barb (1826–1883), academic, university director, civil servant, interpreter and author, director of the Oriental Institute of Vienna

Fictional characters

Barbara "Barb" Holland, on the 2016 Netflix series Stranger Things
Barbara Henrickson, on HBO's TV series Big Love
Barbara Royle, on the BBC comedy series The Royle Family; often referred to as "Barb" by her husband, Jim Royle.
Barbara Barb Leahey, on the Canadian TV series Trailer Park Boys
Barb, on the TV series Witches of East End
Queen Barb, from Trolls World Tour
Barb, a spider first appeared in the episode "Web Weirdos" of the animated series Adventure Time