Patrick M. Gallivan (born November 18, 1960)[1] is a member of the New York State Senate and the former Sheriff of Erie County.

[3] Prior to being elected Sheriff, Patrick Gallivan served 15 years in the New York State Police, rising through the ranks from Trooper to Captain.

After the retirement of incumbent senator Dale Volker, Gallivan defeated former Erie County Republican Party chairman James Domagalski and David DiPietro in a three-way Republican primary in September 2010, going on to defeat Democrat Cynthia Appleton and DiPietro (who continued to run on a line labeled "Tea") in the general election in November of the same year.

[4] Gallivan lives in Elma, New York, with his wife, Mary Pat, and their two children, Jenna and Conor.

Patrick Gallivan holds a master's degree in Criminal Justice from the State University of New York at Albany and is a graduate of Canisius College[5] in Buffalo.