- Lived in Toronto from 1966 to '74 after his parents' divorce.
- Suffers from dyslexia.
- Served as defensive coach for five college teams.
- With his brother, served as assistant coach for the Arizona Cardinals in 1994-95 under their father, head coach Buddy Ryan.
- Served as assistant head coach and defensive coordinator with the Baltimore Ravens from 1999 to 2008.
- Signed as head coach with the New York Jets in January of 2009.
- Led Jets to AFC Championship game against Indianapolis on January 24, 2010. The Jets lost to the Colts 30-17.
- Was fined by NFL for making an obscene gesture at Dolphins fans while attending MMA event in Florida.
- Weighing over 350 pounds, he had bariatric surgery to help with weight loss in March 2010.
- Appeared in HBO's Hard Knocks: Training Camp With the New York Jets in the summer of 2010.
- Payton Ryan — Son
- Michelle Ryan — Wife
- Doris Ryan — Mother
- Buddy Ryan — Father
- Jim Ryan — Brother
- Seth Ryan — Son
- Rob Ryan — Brother
- Attended Southwestern Oklahoma State University, Weatherford, Oklahoma, United States; Eastern Kentucky University, Richmond, Kentucky, United States (BS in Physical Education; MA in Physical Education, 1988)