A list of regular Neighbours characters from the 2003 season, organised by the number of episodes they were featured in. In 2003, a total of 240 episodes were broadcast.

1. Susan Kennedy (137 episodes)
2. Harold Bishop (134 episodes)
3. Karl Kennedy (130 episodes)
4. Lou Carpenter (129 episodes)
5. Lyn Scully (125 episodes)
6. Joe Scully (123 episodes)
7. Stephanie Scully (107 episodes)
8. Max Hoyland (106 episodes)
9. Jack Scully (104 episodes)
10. Toadfish Rebecchi (100 episodes)
11. Boyd Hoyland (95 episodes)
12. Connor O'Neill (91 episodes)
13. Taj Coppin (89 episodes)
14. Stuart Parker (84 episodes)
=14. Summer Hoyland (84 episodes)
16. Nina Tucker (76 episodes)
17. Libby Kennedy (72 episodes)
18. Lori Lee (56 episodes)
19. Dee Bliss (54 episodes)
20. Darcy Tyler (48 episodes)
21. Sky Mangel (47 episodes)
22. Valda Sheergold (41 episodes)**
23. Izzy Hoyland (37 episodes)
24. Michelle Scully (32 episodes)
25. Oscar Scully (27 episodes)
26. Ben Kirk (25 episodes)
27. Rosie Hoyland (22 episode)
=27. Serena Bishop (22 episodes)
=27. David Bishop (22 episode)
=27. Liljana Bishop (22 episodes)
31. Sindi Watts (18 episodes)**
32. Angie Rebecchi (13 episode)*
33. Carmella Cammeniti (7 episodes)**
34. Stonefish Rebecchi (6 episode)*
35. Jamie Clarke (4 episode)*

** Although only a guest character during the 2003 season, this character would later return as part of the regular cast
* Although only a guest character during the 2003 season, this character was previously a part of the regular cast