Denise O'Sullivan

On 11 October 2019, the Courage announced that O'Sullivan had been voted by her team mates as the team MVP for the second consecutive season. The press release noted that O'Sullivan had started 22 of 23 game, had distributed 1,102 passes (50/game), and had a pass success rate of 84%. O'Sullivan started and played the entire match as the Courage won the 2019 NWSL championship.

On October 29, 2019 it was announced that O'Sullivan would join her North Carolina Courage teammates Lynn Williams and Kristen Hamilton at W-League team the Western Sydney Wanderers. O'Sullivan signed a loan deal with the club as a guest player.

On 18 October 2018, O'Sullivan was signed by Canberra United as their guest player for the 2018–19 season and was given the number 11 shirt. On 28 October 2018, she made her debut in a 2–0 home victory against Melbourne City.

On 28 July 2017, O'Sullivan was claimed off waivers by the North Carolina Courage. On 10 August, she made her debut in a 1–0 win over FC Kansas City. On 8 October, O'Sullivan scored the game-winning goal in the 89th minute of the semi-final against the Chicago Red Stars. She made a total of 9 appearances for the Courage in 2017, scoring one goal. At the end of the 2018 regular season, she was voted the Most Valuable Player on the team by her Courage teammates. On 22 September 2018, O'Sullivan played the entire match as the Courage won the NWSL Championship 3–0 over the Portland Thorns.

On 19 March 2016, O'Sullivan signed with the Houston Dash. She made her first appearance in a 0–0 home draw with Sky Blue on 30 April, coming on as a substitute in the 46th minute. On 7 May, she came on as a substitute at halftime and scored her first goal in a 2–1 away victory against FC Kansas City. She finished the 2016 season with 2 goals and 5 assists in 18 appearances. In 2017, O'Sullivan appeared in 11 games for Houston and tallied an assist. When Randy Waldrum, who had brought her to the club, was sacked, interim coach Omar Morales restricted her to minimal playing time. On 26 July 2017, she requested to be placed on waivers.

O'Sullivan made nine appearances in the 2014–15 UEFA Women's Champions League campaign and scored four goals, including a brace in a 4–0 victory against Zhytlobud-1 Kharkiv on 14 August 2014. After lifting the domestic treble and being part of the first Scottish team to ever reach the quarter-finals of the Champions League, she was voted SWPL Players' Player of the Year. On 16 December 2014, she signed a new two-year contract with Glasgow City. In August 2015, she was named SWPL Player of the Month. She was also named Glasgow City Players’ Player of the Year, Coaches’ Player of the Year and Fans' Player of the Year in both 2014 and 2015.

On 10 July 2013, O'Sullivan joined Scottish champions Glasgow City, ahead of their 2013–14 UEFA Women's Champions League campaign. On 28 July, she scored on her league debut in a 2–0 win over Rangers. On 8 August, she made her Champions League debut for the club in a 7–0 home victory against ŽNK Osijek. On 17 October, she scored a goal in a 3–1 win over Standard Liège, helping the side into the last 16 of the Champions League. On 16 November, it was announced that O'Sullivan had signed new contract with the club. She finished the 2013 season with three goals in 12 appearances in all competitions.

After impressing in the 2011 FAI Women's Cup final, O'Sullivan signed with Peamount United, ahead of their 2011–12 UEFA Women's Champions League campaign. She made three appearances in the Champions League for the South Dublin club, before returning to her hometown and joining newly founded Cork, one of the six teams that competed in the WNL's inaugural 2011–12 season. On 13 November 2011, she made her debut in a 6–1 loss to Peamount United. On 15 January 2012, she scored her first goal in a 3–1 away win over Wexford Youths. In her first season, she scored six goals in 15 appearances and was named to the league's Best XI. In July 2012, O'Sullivan re-joined Peamount United and made three appearances in the Champions League, scoring a goal in a 4–0 victory against Cardiff Metropolitan. After the club's exit from the Champions League, she returned to Cork and finished her second season with two goals in 11 appearances.

On 17 September 2011, O'Sullivan made her senior debut and scored both goals in a 2–0 win over Wales. In 2015, she was named FAI Senior International Player of the Year.

O'Sullivan was part of the under-17 team that finished in second place at the 2010 UEFA Women's Under-17 Championship, after losing on penalties in the final against Spain. At the 2010 FIFA U-17 Women's World Cup in Trinidad and Tobago, she scored in the quarter-final defeat against eventual runners-up Japan, after helping Ireland finish top of a group that included Brazil, Canada and Ghana.

O'Sullivan began her career with Wilton United. On 27 July 2008, she won the FAI Women’s Under–14 National Cup, scoring twice in the final against Longford Town. On 7 August 2011, she scored a goal in the FAI Women's Cup final, as Wilton United were defeated 3–1 by St Catherine's.

Denise O'Sullivan (born 4 February 1994) is an Irish international footballer who plays for North Carolina Courage of the NWSL, and currently on loan to Australian club Western Sydney Wanderers for the 2019–20 W-League season. She has been part of the Republic of Ireland women's national football team since 2011.