Sponsor or sponsorship may refer to a person or organization with some role (especially one of responsibility) regarding another person or organisation:

• Sponsor (commercial), supporter of an event, activity, or person
• Sponsor (legislative), a person who introduces a bill
• Sponsor (beetle), a genus of beetles
• Child sponsorship, form of charitable giving
• Ship sponsor
• Sponsor of baptism, see godparent
• Sponsorship in a twelve-step program
• "Sponsor" (song), a song by Teairra Marí
• Sponsor (TV series), a 2021 South Korean television series

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