Arthur Kaluma (born March 1, 2002) is an Ugandan American professional basketball player for the South Bay Lakers of the NBA G League. He played college basketball for the Texas Longhorns, Kansas State Wildcats and Creighton Bluejays.
Kaluma grew up in Irving, Texas and initially attended Universal Academy. He transferred to Dream City Christian School in Glendale, Arizona prior to his junior year. Kaluma was rated a four-star recruit and initially signed to play for UNLV, but was released from his National Letter of Intent following the departure of head coach T. J. Otzelberger. He ultimately committed to playing college basketball for Creighton over offers from Arizona, Western Kentucky, and Syracuse.
Kaluma was named a starter entering his freshman season at Creighton. He finished the season averaging 10.4 points and 5.4 rebounds per game. Kaluma entered his sophomore season on the watch list for the Karl Malone Award. He finished the season averaging 11.8 points, six rebounds, and 1.6 assists per game. After the season, Kaluma declared for the 2023 NBA draft while maintaining his eligibility. He later also entered the NCAA transfer portal and eventually withdrew his name from the draft.
Kaluma ultimately transferred to Kansas State. At Kansas State, Kaluma averaged 14.4 points, 7.0 rebounds, and 2.0 assists per game in 34.5 minutes a game. At the end of the season, Kaluma transferred to Texas, choosing the Longhorns over SMU.
At Texas, Kaluma averaged 12.3 points, 7.5 rebounds, and 1.8 assists per game while shooting 46.2% from the field.
After going undrafted in the 2025 NBA draft, Kaluma signed with the Los Angeles Lakers as an undrafted free agent. After the 2025 NBA Summer League, Kaluma signed a Exhibit 10 contract - a one-year, non-guaranteed salary for the minimum, allowing him to participate in the Lakers training camp. He was waived on September 26, then added to the Lakers NBA G League affiliate, the South Bay Lakers.
Kaluma became an Ugandan citizen in 2020. He played for the Uganda men's national basketball team in AfroBasket 2021. Kaluma also joined the team to play in 2023 FIBA Basketball World Cup qualifiers.
|- | style="text-align:left;"| 2021âÂÂ22 | style="text-align:left;"| Creighton | 31 || 30 || 26.8 || .444 || .265 || .671 || 5.4 || 1.3 || 0.6 || 0.6 || 10.4 |- | style="text-align:left;"| 2022âÂÂ23 | style="text-align:left;"| Creighton | 37 || 37 || 29.4 || .423 || .311 || .736 || 6.0 || 1.6 || 0.5 || 0.6 || 11.8 |- | style="text-align:left;"| 2023âÂÂ24 | style="text-align:left;"| Kansas State | 33 || 32 || 34.5 || .427 || .345 || .747 || 7.0 || 2.0 || 0.8 || 0.5 || 14.4 |- | style="text-align:left;"| 2024âÂÂ25 | style="text-align:left;"| Texas | 33 || 32 || 29.3 || .462 || .359 || .784 || 7.5 || 1.8 || 0.9 || 0.9 || 12.3 |- class="sortbottom" | style="text-align:center;" colspan="2"| Career | 134 || 131 || 30.0 || .438 || .321 || .742 || 6.5 || 1.7 || 0.7 || 0.6 || 12.2
Kaluma's brother, Adam Seiko, played college basketball at San Diego State. The brothers played each other in the Elite Eight of the 2023 NCAA tournament.