Baptist Missionary Association of Mississippi
- Baptist Missionary Association of America. Features the statewide association's missions, education programs, churches, commissions, and history.
- http://msbaptist.org/

Presbytery of Mississippi
- Information on the Presbyterian Church (USA)'s regional governing body in southern Mississippi.
- http://www.presbyteryofms.org/

Mission Mississippi
- Encouraging and demonstrating unity in the body of Christ by bringing together Christians across racial lines.
- http://www.missionmississippi.org/

Diocese of Jackson
- Mississippi Catholic diocese's site includes the statement of the Catholic, Episcopal, and United Methodist bishops on the state flag. Diocesan calendar, directory of churches by city, online edition of weekly newspaper.
- http://www.jacksondiocese.org/

Diocese of Biloxi
- Information about the bishop and officials, parishes, schools, religious education, youth ministry; and the current and past issues of the newsletter, The Gulf Pine Catholic.
- http://www.biloxidiocese.org/