Shamrock Rovers F.C. are based in Tallaght, and started playing in Tallaght Stadium in 2009.
The club finished its first season in Tallaght as runners-up in the league.
The club won their first League title in 2010.
Rovers followed this up by winning the 2011 League of Ireland.
Rovers hosted their first game in European competition in Tallaght in the second qualifying round of the 2010–11 UEFA Europa League against Bnei Yehuda from Israel, with Rovers advancing 2-1 on aggregate.
Rovers faced former Champions League and UEFA Cup winners Juventus, Rovers were beaten 2-0 in Tallaght and 3-0 on aggregate.
In 2011 the club played its first ever Champions League game and its first game in the highest level of European Cup Competition's since the 1987–88 European Cup, beating Estonian Champions Flora Tallinn in the 2011–12 Champions League Second qualifying round.
Rovers were then beaten 3-0 on aggregate in the next round by Danish Champions F.C. Copenhagen but advanced to the 2011-12 Europa League Play-off round.
There they were drawn against Serbian Champions FK Partizan, whom they defeated 3-2 on aggregate (2-1 on the night after extra time) to reach the group stages of the Europa League.
This marked a famous victory for Irish football, as it is the first time an Irish club has reached the group stages of a major European competition.
Rovers also won the All Ireland Setanta Sports Cup in 2011.
Rovers wrapped up a second league title in a row on 25 October 2011.

Kingswood Castle FC are the local mens Soccer Club founded in 2013 by brothers Stephen and Darren Kennedy who are run by sister Sharlene who is the Clubs Chairperson, Team Manager is Brain Coleman his Assistant is Stephen Kennedy and they play their home matches in Ballymount park.
Club colours are as follows - Home Black/White Away (second) all White and 3rd Green/Black.
They can be found on their Pitchero website Facebook - Instagram and Twitter pages.

Saint Anne's GAA, Saint Marks GAA and Thomas Davis GAA Club are local Gaelic Athletic Association clubs.

The National Basketball Arena lies east of the village.

Tallaght Swim Team is located at the Tallaght Sports Complex, Balrothery, beside Tallaght Community School.

Brookfield Celtic, one of Dublin's largest underage football clubs, were founded in Tallaght in 1999.

Glenanne Hockey Club are based in Tallght, playing their home games on the astroturf pitch located in St. Marks Community School
The trailhead of the Dublin Mountains Way a long-distance walking route across the Dublin side of the Wicklow Mountains between Tallaght and Shankill begins at Sean Walsh Park near Tallaght Stadium.

South Dublin Taekwondo and Eire Taekwondo Association are the only WTF (Olympic Style) Taekwondo clubs in Tallaght.
Eire Taekwondo Association was founded in 1988 as St. Martin's Taekwondo club and has since been rebranded and grown to include clubs around Dublin County, as well as in other counties.
South Dublin Taekwondo was founded in 2008 and are tenants in the Tallaght Leisure Centre.
There are several I.T.F style Taekwon-do clubs in the area.

Tallaght Rugby Football Club is located in Ballymana Lane but play out of Tymon park whilst development of the Ballymana grounds begins in 2013.
They were founded as a youth team in 2002 with financial support from the IRFU before setting up a senior team in 2006.

St Maelruans FC is located in Bancroft Park near Tallaght Village.
They were founded in 1968, and have teams playing at underage levels and a Senior team playing football in the Leinster Senior League.
Shamrock Rovers F.C. are based in Tallaght, and started playing in Tallaght Stadium in 2009. The club finished its first season in Tallaght as runners-up in the league. The club won their first League title in 2010. Rovers followed this up by winning the 2011 League of Ireland. Rovers hosted their first game in European competition in Tallaght in the second qualifying round of the 2010–11 UEFA Europa League against Bnei Yehuda from Israel, with Rovers advancing 2-1 on aggregate. Rovers faced former Champions League and UEFA Cup winners Juventus, Rovers were beaten 2-0 in Tallaght and 3-0 on aggregate. In 2011 the club played its first ever Champions League game and its first game in the highest level of European Cup Competition's since the 1987–88 European Cup, beating Estonian Champions Flora Tallinn in the 2011–12 Champions League Second qualifying round. Rovers were then beaten 3-0 on aggregate in the next round by Danish Champions F.C. Copenhagen but advanced to the 2011-12 Europa League Play-off round. There they were drawn against Serbian Champions FK Partizan, whom they defeated 3-2 on aggregate (2-1 on the night after extra time) to reach the group stages of the Europa League. This marked a famous victory for Irish football, as it is the first time an Irish club has reached the group stages of a major European competition. Rovers also won the All Ireland Setanta Sports Cup in 2011. Rovers wrapped up a second league title in a row on 25 October 2011.
Kingswood Castle FC are the local mens Soccer Club founded in 2013 by brothers Stephen and Darren Kennedy who are run by sister Sharlene who is the Clubs Chairperson, Team Manager is Brain Coleman his Assistant is Stephen Kennedy and they play their home matches in Ballymount park. Club colours are as follows - Home Black/White Away (second) all White and 3rd Green/Black. They can be found on their Pitchero website Facebook - Instagram and Twitter pages.
Saint Anne's GAA, Saint Marks GAA and Thomas Davis GAA Club are local Gaelic Athletic Association clubs.
The National Basketball Arena lies east of the village.
Tallaght Swim Team is located at the Tallaght Sports Complex, Balrothery, beside Tallaght Community School.
Brookfield Celtic, one of Dublin's largest underage football clubs, were founded in Tallaght in 1999.
Glenanne Hockey Club are based in Tallght, playing their home games on the astroturf pitch located in St. Marks Community School
The trailhead of the Dublin Mountains Way a long-distance walking route across the Dublin side of the Wicklow Mountains between Tallaght and Shankill begins at Sean Walsh Park near Tallaght Stadium.
South Dublin Taekwondo and Eire Taekwondo Association are the only WTF (Olympic Style) Taekwondo clubs in Tallaght. Eire Taekwondo Association was founded in 1988 as St. Martin's Taekwondo club and has since been rebranded and grown to include clubs around Dublin County, as well as in other counties. South Dublin Taekwondo was founded in 2008 and are tenants in the Tallaght Leisure Centre. There are several I.T.F style Taekwon-do clubs in the area.
Tallaght Rugby Football Club is located in Ballymana Lane but play out of Tymon park whilst development of the Ballymana grounds begins in 2013. They were founded as a youth team in 2002 with financial support from the IRFU before setting up a senior team in 2006.
St Maelruans FC is located in Bancroft Park near Tallaght Village. They were founded in 1968, and have teams playing at underage levels and a Senior team playing football in the Leinster Senior League.
Tallaght