O
| Character | Actor | Previous actor (s) | Duration |
|---|---|---|---|
| Alison Oakley | Shelley Willetts | Helen Swift | 1989, 1998 |
| Frank O'Connor | Eamon Boland | 2000, 2001 | |
| Aiden O'Donnell | Kieran Flynn | 1998, 1999 | |
| Damian Ogden | Neil Ratcliffe | 1983 | |
| Hilda Ogden | Jean Alexander | 1964–1987 | |
| Polly Ogden | Mary Tamm | 1973 | |
| Stan Ogden | Bernard Youens | 1964–1984 | |
| Trevor Ogden | Don Hawkins | Jonathan Collins | 1964, 1973, 1975, 1983, 1984 |
| Dave O'Grady | Ronnie Leek | 1997 | |
| Karen Oldfield | Sally Jane Jackson | 1980 | |
| Sgt Oldfield | Michael Lees | 1980 | |
| Inga Olsen | Gabrielle Drake | 1967 | |
| Karen Olsen | Jennie Woodford | 1967 | |
| Daniel Osbourne | Dominic Holmes | Lewis Harney | 1995–1997, 2007 |
| Denise Osbourne | Denise Black | 1992–1997, 2007 |
Read more about this topic: List Of Past Coronation Street Characters