A list of regular Neighbours characters from the 1991 season, organised by the number of episodes they were featured in. In 1991, a total of 235 episodes were broadcast.

1. Doug Willis (131 episodes)
2. Helen Daniels (128 episodes)
3. Joe Mangel (120 episodes)
=3. Paul Robinson (120 episodes)
5. Dorothy Burke (117 episodes)
6. Pam Willis (108 episodes)
7. Josh Anderson (100 episodes)
8. Jim Robinson (99 episodes)
9. Glen Donnelly (98 episodes)
10. Caroline Alessi (95 episodes)
11. Toby Mangel (94 episodes)
12. Christina Alessi/Robinson (92 episodes)
13. Madge Bishop (91 episodes)
14. Todd Landers (88 episodes)
15. Harold Bishop (85 episodes)
16. Melanie Pearson/Mangel (84 episodes)
17. Lucy Robinson (80 episodes)
18. Sky Bishop (68 episodes)
=18. Adam Willis (68 episodes)
20. Cody Willis (58 episodes)
21. Gemma Ramsay (54 episodes)
22. Gaby Willis (37 episodes)
=22. Brad Willis (37 episodes)
=22. Brenda Riley (37 episodes)
25. Guy Carpenter (29 episodes)
26. Melissa Jarret (24 episodes)
27. Matt Robinson (18 episodes)
=27. Ryan McLachlan (18 episodes)
29. Phoebe Bright (11 episodes)
=29. Andrew Robinson (11 episodes)
31. Faye Hudson (5 episodes)
32. Tom Ramsay (4 episodes)*

* Although only guest characters during the 1991 season, this character had previously been part of the regular cast