Tommy O'Donnell (born 21 May 1987) is an Irish former rugby union player, who spent his entire career with his native province of Munster, whilst also earning 13 international caps for Ireland.

[5] He was named Munster Player of the Year for the 2012–13 season, following in the footsteps of teammates Donnacha Ryan, James Coughlan, Mick O'Driscoll, David Wallace, John Hayes and Ronan O'Gara.

[12] On 27 December 2015, O'Donnell made his return from the injury he sustained during the World Cup with Ireland, coming off the bench against Leinster during a 2015–16 Pro12 game.

[13] On 3 September 2016, O'Donnell won the Man-of-the-Match award in Munster's win against Scarlets in the opening round of the 2016–17 Pro12.

[14] On 11 November 2016, O'Donnell captained Munster for the first time and led them to a historic 27–14 win against the Māori All Blacks.

[15] O'Donnell won his 150th cap for Munster on 21 October 2017, doing so in the 2017–18 European Rugby Champions Cup fixture against Racing 92.

[16][17] O'Donnell made his return from a shoulder injury sustained in early November 2017 on 8 December 2017, playing the full 80 minutes for Munster A in their 2017–18 British and Irish Cup defeat at the hands of Bedford Blues.

[18] However, O'Donnell suffered a recurrence of the shoulder injury during Munster's 2017–18 Pro14 round 18 win against Scarlets which subsequently required surgery, ruling him out for the remainder of the 2017–18 season.

[20] O'Donnell signed a two-year contract extension with Munster in October 2018, a deal that will see him remain with the province until at least June 2021.

[26] O'Donnell joined Munster's academy staff as an elite player development officer ahead of the 2022–23 season.

[27] O'Donnell made his debut for Ireland Wolfhounds on 25 January 2013, starting in the friendly against England Saxons.

[49] On 10 August 2015, it was confirmed that O'Donnell had dislocated his hip, requiring a minimum of 6 weeks non-weight bearing activity, ruling him out of the 2015 Rugby World Cup.