The 1991–92 network television schedule for the four major English language commercial broadcast networks in the United States covers primetime hours from September 1991 through August 1992. The schedule is followed by a list per network of returning series, new series, and series cancelled after the 1990–91 season. All times are Eastern and Pacific, with certain exceptions, such as Monday Night Football.

New series are highlighted in bold. Series ending their original runs are highlighted in italics.

Each of the 30 highest-rated shows is listed with its rank and rating as determined by Nielsen Media Research.^[1]

  Yellow indicates the programs in the top 10 for the season.

  Cyan indicates the programs in the top 20 for the season.

  Magenta indicates the programs in the top 30 for the season.

PBS is not included; member stations have local flexibility over most of their schedules and broadcast times for network shows may vary. From February 8 to 24, 1992, all of CBS' primetime programming was preempted in favor of coverage of the 1992 Winter Olympics in Albertville, and from July 25 to August 9, 1992, all of NBC's primetime programming was preempted in favor of coverage of the 1992 Summer Olympics in Barcelona.

Note: Melrose Place premiered on Fox on Wednesday July 8, 1992.

(*) Formerly known as Gabriel's Fire