Sedan Senior Citizen Center
- Location: 124 E Main St, Sedan, KS 67361
- Meetings: 1st & 3rd Thursdays @ Noon; Covered Dish
Chautauqua County Historical & Genealogical Society
- Location: 115 W Main St, Sedan, KS 67361
- Meetings: Meet 1st Thursday of the Month @ 6:30 p.m.
- Members: Vera Miller (President); Don Dilley (Vice-President); Cheryl Hurst (Secretary); Carlotta Munson (Treasurer); Jim Chase (Gen-Tree Editor)
Sedan Lion's Club
- Meetings: Lions Club meets every Monday @ Noon at Buck's, September through June
- Members: Rodney Dickens (President); Brett Dickens (Vice President); Tim Hills (Treasurer); Amy Lampson (Secretary)
Sedan Area Foundation
- Meetings: 2nd Wednesday of every Month @ 5:00 p.m. at the First National Bank meeting room
- Members: Steve Clark (President); June Mendenhall (Vice President); Mary Kurtis (Secretary)