| Fullname: | Allan McMahon |
| Birth Date: | 9 August 1954 |
| Death Place: | Wollongong, New South Wales, Australia |
| Height: | 187cm (74inches) |
| Weight: | 99kg (218lb) |
| Position: | Three-quarter, |
| Club1: | Balmain Tigers |
| Year1start: | 1975 |
| Year1end: | 81 |
| Appearances1: | 110 |
| Tries1: | 28 |
| Goals1: | 10 |
| Fieldgoals1: | 0 |
| Points1: | 104 |
| Club2: | Newtown Jets |
| Year2start: | 1982 |
| Appearances2: | 22 |
| Tries2: | 8 |
| Goals2: | 0 |
| Fieldgoals2: | 0 |
| Points2: | 24 |
| Club3: | Canberra Raiders |
| Year3start: | 1983 |
| Appearances3: | 18 |
| Tries3: | 5 |
| Goals3: | 0 |
| Fieldgoals3: | 0 |
| Points3: | 20 |
| Teama: | Australia |
| Yearastart: | 1975 |
| Yearaend: | 77 |
| Appearancesa: | 5 |
| Triesa: | 4 |
| Goalsa: | 0 |
| Fieldgoalsa: | 0 |
| Pointsa: | 12 |
| Coachyear1start: | 1986 |
| Coachteam1: | Canberra Raiders |
| Coachgames1: | 1 |
| Coachwins1: | 1 |
| Coachdraws1: | 0 |
| Coachlosses1: | 0 |
| Coachyear2start: | 1988 |
| Coachyear2end: | 91 |
| Coachteam2: | Newcastle Knights |
| Coachgames2: | 81 |
| Coachwins2: | 33 |
| Coachdraws2: | 6 |
| Coachlosses2: | 42 |
| Coachyear3start: | 1996 |
| Coachteam3: | Illawarra Steelers |
| Coachgames3: | 22 |
| Coachwins3: | 8 |
| Coachdraws3: | 0 |
| Coachlosses3: | 14 |
| Source: | NRL Stats and Rugby League Project |
Allan McMahon (9 August 1954[1] - 23 May 2003), known by the nickname "Macca", was an Australian professional rugby league footballer and coach. He was an Australian test player and was a coach of the Canberra Raiders, Newcastle Knights and Illawarra Steelers.
McMahon played a total of 148 games for the Balmain Tigers of whom he also captained on numerous occasion. He also played for the Newtown Jets, the Canberra Raiders and was a member of the 1978 Kangaroo tour squad.
After coaching the Raiders in their fifth season in 1986, McMahon was the first coach of the Knights, who joined the NSWRL in 1988. He resigned during the 1991 season, and later coached the Illawarra Steelers. Despite signing a three-year contract, he was sacked at the end of the 1996 season, his first at the club.
Allan McMahon died in May 2003, at his home in Wollongong, aged 48.[2]