| John Madigan | |
| Birth Date: | 1994 9, df=yes |
| Birth Place: | Charleville, Ireland |
| Weight: | 119kg (262lb) |
| Ru Position: | Lock |
| Amatteam1: | Dolphin |
| Years1: | 2015–2017 |
| Clubs1: | Munster |
| Apps1: | 3 |
| Points1: | 0 |
| Years2: | 2017–2020 |
| Clubs2: | Massy |
| Apps2: | 52 |
| Points2: | 15 |
| Years3: | 2020– |
| Clubs3: | Béziers |
| Apps3: | 27 |
| Points3: | 5 |
| Ru Clubupdate: | 24 September 2021 |
| School: | CBS Charleville |
| University: | University College Cork |
John Madigan (born 1 September 1994) is an Irish rugby union player. He plays as a lock for French Rugby Pro D2 side Béziers.
Madigan made his debut for Munster on 5 September 2015, starting in the opening game of the 2015–16 Pro12 against Treviso.[1] On 19 May 2017, it was announced that Madigan would leave Munster at the end of the 2016–17 season.[2] His father, John Madigan Snr, also played for Munster.[3]
Ahead of the 2017–18 season, Madigan joined French Rugby Pro D2 side RC Massy.[4] He joined Béziers ahead of the 2020–21 season.[5]