Siggy or Siggie may refer to:
Siggy Flicker, born Sigalit Paldie, relationship coach and cast member of The Real Housewives of New Jersey (2016–2018)
Sigmund "Siggy" Jackson, Jr. (born 1977), third generation member of the musical Jackson family
Carol Kendall (writer) (1917-2012), American writer of children's books nicknamed "Siggy"
Sigurd Lucassen (1927–2001), American labor leader
Siggie Nordstrom (1893-1980), American model, actress, entertainer, socialite and lead singer of The Nordstrom Sisters
Sigurd "Siggy" Olaisen, member of the Norwegian thrash metal band Battered
Siggy, a major character on the American television series Vikings
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