McMahon became a member of the board of trustees of Sacred Heart University in Fairfield, Connecticut in November 2004.[62] She supported many organizations, including the USO, the Make-A-Wish Foundation, the Multiple Myeloma Research Foundation, the Starlight Foundation, and Community Mayors.

The McMahons began supporting the Special Olympics in 1986. McMahon first developed an interest in the Olympics from her friendship with NBC producer Dick Ebersol and Susan Saint James, who encouraged them to participate in the mid-1980s.[3]

She met Lowell Weicker, whose son is developmentally-disabled, through the Special Olympics. In 1995, as Connecticut Governor, Weicker appointed Linda McMahon to the Governor's Council for the World Special Olympics.[7

She went through a confirmation process in the Connecticut State Assembly where she was questioned on her record as CEO of WWE.[69] The State Senate approved her nomination by a vote of 34"1 and the House by 96"45.

The Senate confirmation hearing began on January 24, 2017;[111][112] her nomination was approved by the Senate Committee on Small Business and Entrepreneurship on February 1 with an 18"1 vote,[113] and confirmed by the full Senate on February 14 by a vote of 81"19.[114] She was officially sworn in as administrator of the SBA on the same day.[115]