Samantha Prahalis (born January 23, 1990, in Commack, New York)[1] is an American basketball player who last played for the Los Angeles Sparks of the WNBA and currently for the Sardinian team CUS Cagliari.

[3] Prahalis was a member of the USA Women's U18 team which won the gold medal at the FIBA Americas Championship in Buenos Aires, Argentina.

[5] Prahalis continued on to the USA Women's U19 team which represented the US in the 2009 U19 World's Championship, held in Bangkok, Thailand in July and August 2009.

[14] Prahalis signed a one-year contract with the Romanian squad ACS Sepsi SIC in Sfântu Gheorghe for the 2013–14 season.

[15] More recently, she has coached the Ward Melville Patriots basketball team in East Setauket, New York.