Mission Viejo Tennis
- Offers tennis programs for adults, juniors, and wheelchair players. Photos, programs, location, and player profiles.
- http://www.mvtennis.com/

Mission Viejo Soccer Club
- Mission Viejo based soccer club that fields boys and girls teams.
- http://www.mvsoccer.com

Pateadores Soccer Club
- Mission Viejo based boys soccer club.
- http://www.patsnet.com

Lake Mission Viejo Association
- Association for members of Lake Mission Viejo, a private lake for residents only. Offers boating, swimming and fishing.
- http://www.lakemissionviejo.org/

North Mission Viejo Little League, Inc.
- One of the oldest Little Leagues in South Orange County, California.
- http://www.nmvll.org/

Mission Viejo Nadadores Swim Team
- Offers a year-round program of controlled competitive progression from novice through senior-level swimming.
- http://mvnswim.org/

Mission Viejo Nadadores Diving
- Started in 1977, this diving team has produced eight Olympians including Greg Louganis, Michele Mitchell, and Wendy Wyland. Site offers history, news, results and contact information.
- http://www.mvndive.com/

AYSO Region Mission Viejo
- AYSO Region 84 Youth Soccer for Mission Viejo, California.
- http://www.ayso84.org/