A point guard, he played college basketball for the Iowa State Cyclones and was selected by the Sacramento Kings 12th overall in the 2020 NBA draft.

In 2019, Haliburton led the United States to a gold medal and earned all–tournament team honors at the FIBA Under–19 World Cup in Heraklion, Greece.

[2] In his junior season, Haliburton averaged 18 points, six assists, and five rebounds per game, earning FVA Player of the Year and Wisconsin Basketball Coaches Association (WBCA) Division I All-State accolades with his team falling just short of the State Tournament.

[3][4][5] As a senior, he averaged 22.9 points, 6.2 assists, 5.1 rebounds, 3.5 steals and 1.7 blocks per game, leading Oshkosh North to a 26–1 record.

[6] On February 18, 2018, he scored a career-high 42 points in a win over Kaukauna High School and West Virginia recruit Jordan McCabe.

[20] On January 4, 2020, Haliburton recorded 22 points, 12 rebounds and 10 assists in an overtime loss to TCU, the first triple-double by an Iowa State player since Monté Morris in 2016.

[27] On December 23, 2020, Haliburton made his NBA debut, coming off the bench in a 124–122 overtime win over the Denver Nuggets with 12 points, four assists, two rebounds and a block.

[34] On February 5, Haliburton posted his Kings then career-high 17 assists, along with 13 points, six rebounds, and two steals in a 113–103 win over the Oklahoma City Thunder.

[35] On February 8, 2022, Haliburton, Buddy Hield, and Tristan Thompson were traded to the Pacers in exchange for Domantas Sabonis, Justin Holiday, Jeremy Lamb, and a 2023 second-round pick.

[36] At the time of the trade, Pacers coach Rick Carlisle referred to Haliburton as "an elite young point guard that affects the game positively in many, many ways".

[37] On February 11, Haliburton made his Pacers debut in a 120–113 loss to the Cleveland Cavaliers, logging 23 points in addition to 6 assists, 3 rebounds, and 3 steals.

[44] On April 1, Haliburton scored 30 points in 25 minutes on an efficient 10–11 shooting from the field, 6–6 from three, and 4–4 from the free–throw line, in a loss to the Boston Celtics.

[47] On November 21, Haliburton was selected Eastern Conference Player of the Week, leading the Pacers to a 3–0 record while averaging 21 points, 11 assists, and 4 rebounds.

[56][57] Haliburton and teammate Buddy Hield were selected to participate in the 2023 NBA Three-Point Contest, where they both lost in the finals to Damian Lillard.

[63] The same day, it was announced that Haliburton would represent the United States Men's National Team at the 2023 FIBA Basketball World Cup.

[67] On November 14, two days later, Haliburton recorded a near triple–double with 33 points, 15 assists, 7 rebounds, 0 turnovers, along with 7 threes made, in a 2023 in-season tournament win over Joel Embiid, Tyrese Maxey, and the Philadelphia 76ers.

[71] At the end of November, Haliburton joined Lebron James and Michael Jordan as the only players in league history to average at least 25 points and 10 assists per game while shooting 50 and 40 percent from the floor and three-point range, respectively, in a single month.

[74] On December 7, Haliburton scored 27 points, 15 assists, and 7 rebounds in a 128–119 win in the semifinals of the NBA In-Season Tournament against the Milwaukee Bucks.

[81] Haliburton was two votes short of besting teammate Damian Lillard of the Milwaukee Bucks for the NBA All-Star Game MVP.

[88] In Game 2 of the Conference Finals, Haliburton suffered a hamstring injury and missed the rest of the series as the Pacers were swept by the Boston Celtics.

[97][98] Alongside Haliburton, the Select Team consisted of young NBA talent, Anthony Edwards, Darius Garland, Tyler Herro, Keldon Johnson, Miles Bridges, Saddiq Bey, and future Pacers teammate Obi Toppin.

Haliburton was selected to represent the United States Men's National Team at the 2023 FIBA Basketball World Cup in Pasay, Philippines, at Mall of Asia Arena.

[99] The team consisted of young established NBA stars alongside Haliburton including, Brandon Ingram, Anthony Edwards, Jalen Brunson, Jaren Jackson Jr., Mikal Bridges, Paolo Banchero, and more.

[98] On September 5, 2023, in the 100–63 quarterfinals win against Italy, Haliburton scored a personal career–high 18 points, a team–high 5 assists, as well as 4 rebounds, and 3 steals, on 6–8 shooting from three.

Effectively, he became the 3rd player in history to make 6+ three–pointers in a quarterfinal game at the World Cup, joining Patty Mills with 6 in 2019, and Larry Ayuso with 7 in 2002.

He led the team in steals and assists, helping the United States to a fourth–place finish, successfully qualifying for the 2024 Summer Olympics.