The 1989–90 daytime network television schedule for the three major English-language commercial broadcast networks in the United States covers the weekday and weekend daytime hours from September 1989 to August 1990.

• New series are highlighted in bold.

• All times correspond to U.S. Eastern and Pacific Time scheduling (except for some live sports or events). Except where affiliates slot certain programs outside their network-dictated timeslots, subtract one hour for Central, Mountain, Alaska, and Hawaii-Aleutian times.
• Local schedules may differ, as affiliates have the option to pre-empt or delay network programs. Such scheduling may be limited to preemptions caused by local or national breaking news or weather coverage (which may force stations to tape delay certain programs to later timeslots) and any major sports events scheduled to air in a weekday timeslot (mainly during major holidays). Stations may air shows at other times at their preference.

• 1989-90 United States network television schedule (prime-time)
• 1989-90 United States network television schedule (late night)

• https://web.archive.org/web/20071015122215/http://curtalliaume.com/abc_day.doc
• https://web.archive.org/web/20071015122235/http://curtalliaume.com/cbs_day.doc
• https://web.archive.org/web/20071012211242/http://curtalliaume.com/nbc_day.doc