The initials SLG or S.L.G. may refer to: Sigma Lambda Gamma (ΣΛΓ), sorority Simulated life game, a type of video game Sindicato Labrego Galego-Comisións Labregas, Galician peasants union Slave Labor Graphics, comic book publisher Slugging percentage, baseball statistic Socialist Labour Group, Former UK party Proto SLG, paintball marker manufactured SL Green Realty Corp (NYSE symbol:SLG) Community of the Sisters of the Love of God, post-nominal letters Scary Little Girls, a theatrical collective Secretary to the local government