Si Kahn (1944— ) is an American singer-songwriter, activist, and organizer.
"Si Kahn has worked for almost 50 years as a professional civil rights, labor and community organizer and musician. He began his organizing career in 1965 in Arkansas with the Student Nonviolent Coordinating Committee, more popularly known as SNCC, the student wing of the Southern Civil Rights Movement. During the War on Poverty, he served first as a VISTA Volunteer and later as Deputy Director of an eight-county community action agency in rural Georgia, where he also coached the first racially integrated Little League team in that part of the state. In the 1970s, he worked with the United Mine Workers of America (UMWA) during the Brookside Strike in Harlan County, Kentucky, and was an Area Director of the J.P. Stevens Campaign for the Amalgamated Clothing and Textile Workers Union (ACTWU). In 1980, Si founded Grassroots Leadership, a national Southern-based progressive organization committed to community, civil rights and labor organizing. He served as its Executive Director for 30 years, stepping down on May Day 2010."