| Year: | 1989 |
| Team: | Cal State Hayward Pioneers |
| Sport: | football |
| Conference: | Northern California Athletic Conference |
| Short Conf: | NCAC |
| Record: | 1–8 |
| Conf Record: | 1–4 |
| Head Coach: | Tim Tierney |
| Hc Year: | 15th |
| Stadium: | Pioneer Stadium |
The 1989 Cal State Hayward Pioneers football team represented California State University, Hayward—now known as California State University, East Bay—as a member of the Northern California Athletic Conference (NCAC) during the 1989 NCAA Division II football season. Led by 15th-year head coach Tim Tierney, Cal State Hayward compiled an overall record of 1–8 with a mark of 1–4 in conference play, placing fifth in the NCAC. The team was outscored by its opponents 292 to 140 for the season. The Pioneers played home games at Pioneer Stadium in Hayward, California.