The 1986 Cal State Fullerton Titans football team represented California State University, Fullerton as a member of the Pacific Coast Athletic Association (PCAA) during the 1986 NCAA Division I-A football season.
Led by seventh-year head coach Gene Murphy, Cal State Fullerton compiled an overall record of 3–9 with a mark of 2–5 in conference play, tying for sixth place in the PCAA.
The Titans played their home games at Santa Ana Stadium in Santa Ana, California.
[14][15] The following Cal State Fullerton Titans were selected in the 1987 NFL draft.
[16][17] The following finished their college career in 1986, were not drafted, but played in the NFL.