| Liam O'Connor | |
| Birth Date: | 1995 7, df=yes |
| Birth Place: | Cork, Ireland |
| Weight: | 110kg (240lb) |
| Position: | Prop |
| Amatyears1: | 2014–2023 |
| Amatteam1: | Cork Constitution |
| Clubs1: | Munster |
| Years1: | 2016–2023 |
| Apps1: | 34 |
| Points1: | 0 |
| Clubupdate: | 10 November 2022 |
| Repyears1: | 2015 |
| Repteam1: | Ireland U20 |
| Repcaps1: | 5 |
| Reppoints1: | 5 |
| Repupdate: | 20 June 2015 |
| School: | Christian Brothers College |
Liam O'Connor (born 13 July 1995) is an Irish former rugby union player who played as a prop for United Rugby Championship club Munster.
O'Connor was born in Cork and first played rugby aged 7 with Dolphin RFC. He then attended Christian Brothers College and represented the school in Junior and Senior Cup rugby. He has played for Munster at Under-18, Under-19, Under-20 and 'A' level, as well as representing Ireland at Under-19 and Under-20 level.[1] O'Connor also played football at underage level for Delaneys and, aged just 16, played in goal for St. Nicks in the Cork Senior Football Championship.[2]
On 16 January 2016, O'Connor made his competitive debut for Munster when he came on as a substitute against Stade Français in a 2015–16 European Rugby Champions Cup fixture.[3] [4] O'Connor made his first start for Munster on 1 September 2017, doing so in the sides opening fixture of the 2017–18 Pro14 against Benetton.[5] He signed a two-year senior contract with Munster in January 2018.[6] O'Connor was nominated for the 2018 John McCarthy Award for Academy Player of the Year in April 2018.[7] O'Connor made his return from a knee injury sustained during Munster's game against Ospreys in December 2017 in their fixture against Dragons on 26 January 2019.[8]
O'Connor signed a two-year contract extension with Munster in January 2020,[9] and signed a one-year contract extension in January 2022.[10] He featured off the bench in Munster's historic 28–14 win against a South Africa XV in Páirc Uí Chaoimh on 10 November 2022,[11] but was forced to retire on medical grounds upon the conclusion of the 2022–23 season.[12]