| Year: | 1978 |
| Stadium: | Sydney Sports Ground |
The 1978 Eastern Suburbs Roosters season was the 71st in the club's history. They competed in the NSWRFL's 1978 Premiership. They also won the 1978 Amco Cup. Their home ground was the Sydney Sports Ground.
Royce Ayliffe, Artie Beetson (Capt-Coach), Ron Coote, Russell Fairfax, Bob Fulton, Mark Harris, Kevin Hastings, Bill Healey, Grant Hedger, Paul Jelfs, John Mackay, Billy Markou, Gary Metcalfe, Gavin Miller, Michael Mossman, Arthur Mountier, Bill Mullins, Joe Reaiche, Terry Murphy, Bob O'Reilly, Ian Schubert, Kevin Stevens
| width=20 abbr="Position×" | width=175 | Team | width=20 abbr="Played" | Pld | width=20 abbr="Won" | W | width=20 abbr="Drawn" | D | width=20 abbr="Lost" | L | width=20 abbr="Points for" | PF | width=20 abbr="Points against" | PA | width=20 abbr="Points difference" | PD | width=20 abbr="Points" | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Western Suburbs | 22 | 16 | 1 | 5 | 426 | 288 | +138 | 33 | ||||||||||
| 2 | Cronulla-Sutherland | 22 | 15 | 0 | 7 | 418 | 261 | +157 | 30 | ||||||||||
| 3 | Manly-Warringah | 22 | 15 | 0 | 7 | 427 | 287 | +140 | 30 | ||||||||||
| 4 | Parramatta | 22 | 14 | 0 | 8 | 525 | 306 | +219 | 28 | ||||||||||
| 5 | Canterbury-Bankstown | 22 | 13 | 2 | 7 | 307 | 273 | +34 | 28 | ||||||||||
| 6 | Eastern Suburbs | 22 | 13 | 0 | 9 | 377 | 280 | +57 | 26 | ||||||||||
| 7 | South Sydney | 22 | 12 | 1 | 9 | 298 | 300 | -2 | 25 | ||||||||||
| 8 | St. George | 22 | 10 | 1 | 11 | 367 | 354 | +13 | 21 | ||||||||||
| 9 | Balmain | 22 | 9 | 1 | 12 | 337 | 344 | -7 | 19 | ||||||||||
| 10 | Penrith | 22 | 4 | 2 | 16 | 206 | 463 | -257 | 10 | ||||||||||
| 11 | North Sydney | 22 | 4 | 1 | 17 | 325 | 439 | -114 | 9 | ||||||||||
| 12 | Newtown | 22 | 2 | 1 | 19 | 199 | 577 | -378 | 5 | ||||||||||
"Bob Fulton took the ball near his own quarterline. He put Bob O'Reilly through a gap with a deft pass and O'Reilly found Ron Coote backing up on the outside. Coote scooted down the touch line and when caught by the cover defence passed inside to Ian Schubert. Schubert gained valuable ground before also being picked up. He tried to get a pass away inside but the ball went loose and Stevens raced through to kick it ahead. Wests' winger Trevor Scarr easily won the race for the ball but failed to ground it cleanly. Stevens dived on it for a try and converted as full time sounded" ....