|Team colors||Blue, Red and Gray|
|Women's team||Lady Chiefs|
Seniors' general championships
Juniors' general championships
The Arellano University Chiefs is the athletic team of Arellano University. It is a member of the National Collegiate Athletic Association (NCAA) and the National Capital Region Athletic Association (NCRAA). The team has several intercollegiate varsity sports teams for women and men at Arellano.
Originally as the Arellano Flaming Arrows, the team won the National Student's Championship (NSC) in the 1970s. Years later, the Chiefs entered the best-of-three finals in the men's basketball division of the NCRAA in 2006 when they were defeated by the Saint Francis of Assisi College Doves. In a repeat finals appearance in 2007, head coach Leo Isaac finally led the Chiefs to the championship with a 67–64 game three win against the EAC Generals. The Chiefs relied on their defense to stop EAC's Ronjay Buenafe, while supporters of the rival teams had to be restrained inside the Rizal Memorial Coliseum. The then Baby Chiefs also defeated the Olivarez College juniors team in their own title series to ensure both NCRAA basketball titles would go to their Juan Sumulong Campus.
In 2008, the Chiefs reigned anew against 2006 tormentor St. Francis in two games., while the Baby Chiefs also swept the Dovelets in juniors' competition to keep both basketball trophies. The Chiefs' NCRAA championship caused their qualification to the 2008 Philippine Collegiate Championship for basketball. In the PCC, they defeated UCN Golden Dragons in the first round, but they were eliminated in the quarterfinals by three-peat NCAA champions San Beda Red Lions.
The Chiefs were able to qualify anew for the 2009 NCRAA finals, but they were defeated by upstarts Universal College Golden Dragons in overtime to deny the Chiefs of a third consecutive championship, while the Baby Chiefs were luckier as they defeated the Rizal Technological University Baby Thunders to clinch their third consecutive championship.
With the departure of Philippine Christian University (PCU) Dolphins after exposure of several juniors' players enrolling with forged documents, the NCAA originally opened its doors for new members, and Arellano was one of the schools that lodged their application. Arellano was named as one of the frontrunners, but the NCAA Policy Board fail to garner enough number of votes to admit a new member which closed the doors for new members for their 2009–10 season.
However, the NCAA invited "guest teams" instead, and Arellano, along with the AUF Great Danes and fellow NCRAA member EAC Generals were accepted as guest teams for the 2009–10 season, where they are also eligible to win championships.
The Chiefs finished their 2009 campaigned fifth, the best among the guest teams, with an 8–10 record. At the end of the tournament, Giorgio Ciriacruz was named as part of the Mythical Five (all-NCAA team), the only player from a guest team to be named in the five-member roster.
On the NCAA Season 86, Arellano has upgraded from its guest to probationary status. While on the Season 87 of NCAA, Isiah Ciriacruz won't play for the season due to a sustained injury and Adrian Celada was named as Team Captain. And the school grab its regular membership on the league during the 89th Season.
Arellano Chiefs roster
| Bataller, Ira Spencer |- | Bontao, Paul Joseph |- | Calapine, Godwill |- | Canete, Jhon Rodney |- | Danas, Jason |- | De Leon, Koby Bryan |- | Dela Torre , Guilmer |- | Dularte, Anaclito |- | Espiritu, Marlon John |- | Fornis, Resty B. | Garcia, Dylan Ric F. |- | Sunga, Lars Christian |- | Tamayo, Niño Rico |- | Torrejos, Charles Kissack |- | Velasco, Roy Edmund |- |} Head Coach: Tylon Darjuan
The following are known players that are came from Arellano:
- James Forrester (Skipped final three years of eligibilty to play professionally)
- John Pinto
- Prince Caperal
- Keith Agovida
The volleyball team of the team are already a powerhouse once it joined it 2009. Currently, the women's volleyball has 2 straight finals appearances (Season 89, and 90) which, in the 90th season, they became the champion. And 1 finals appearance in the men's tournament (Season 86). They are now listed as one of the greatest teams in Philippine Collegiate Volleyball.
NCAA Season 91 Women's Volleyball Roster
|2||Rialen Sante||Outside Spiker|
|4||Angelica Macabalitao||Middle Blocker|
|5||Rhea Marist Ramirez||Setter|
|6||Andrea Marzan||Outside Spiker|
|7||Maria Erica Calixto||Opposite Spiker|
|9||Jan Eunice Shayne Galang||Libero|
|10||Maria Angela Sanchez||Libero|
|11||Angelica Sawali||Outside Spiker|
|13||Regine Anne Arocha||Outside Spiker|
|14||Danna Henson||Outside Spiker|
|16||Shirley Salamagos||Middle Blocker|
|17||Christine Joy Rosario||Middle Blocker|
|18||Jovielyn Grace Pardo||Outside Spiker|
Coach: Roberto "Obet" Javier
NCAA Season 91 Men's Volleyball Roster
|2.)||Kevin Liberato||Middle Blocker|
|4.)||Rishnan Jed Digal|
|8.)||John Joseph Cabilaan|
|9.)||Christian Joshua Segovia|
|10.)||Kenneth Aliyacyac||Outside Spiker|
|12.)||Lawrence del Esperito|
|16.)||Christopher Vital Soriano|
|17.)||Dan Carlo dela Cruz||Libero|
Coach: Sherwin Meneses
NCAA Season 91 Junior's Volleyball Roster
|1.)||Jan Michael Efa|
|5.)||Jefferson De Guzman|
|12.)||Ian Carl Catanduanes|
|17.)||Mac Razzel Decena|
|18.)||Lance Reymart Manuel|
Coach: Sherwin Meneses
NCAA Season 91 Beach Volleyball Roster
- Regine Anne Arocha
- Angelica Sawali
- Jenicalynne Tan
- Kenneth Aliyacyac
- Benrasid Latip
- Jesrael Liberato
- Jesus Valdez
- Aldimal Waham
- Ferdinand Jamis
- Diane Ticar
- Angelica Legacion
- Elaine Sagun
- Carlo Lozada
The chess team of Arellano University has bagged two straight championships, being one of the top contenders in the area of this sport.
|SENIORS ROSTER||JUNIORS ROSTER|
|Joshua Arias||Carl Jaedrianne Ancheta|
|Carlo Caranyagan||Don Laurence Cerujano|
|Alcon Paul Datu||James Michael Erese|
|Don Tyrone Delos Santos||Juwon Mikaelo Grande|
|Kyz Llantada||Kyle Jazz Ibañez|
|Jeremy Lorenz Parado||Paula Mae Lim|
|Miguel Niguel Peñero||Jasmine Zyrelle Navarez|
|Tucker Howard Viernes||John Roman Mapalad|
Head Coach: Rudy Ibañez
Head Coach: Carlos Padilla
- "Arellano Chiefs clinch NCRAA crown". The Manila Times. 20 October 2009. Retrieved 26 December 2009.
- "Chiefs beat Doves 61-60 to bag NCRAA caging title". GMA News and Public Affairs. 20 October 2009. Retrieved 26 December 2009.
- NCRAA: Arellano Baby Chiefs keep junior caging title, GMANews.tv
- NCRAA: Universal College dethrones champ Arellano, GMANews.tv
- NCAA-bound Arellano stamps class in Fr. Martin caging, GMANews.tv
- "NCAA to announce new team before year ends". GMANews.tv. 16 October 2008. Retrieved 19 January 2009.
- Atencio, Peter (2 January 2009). "NCAA prunes down choices to 3". Manila Standard Today. Retrieved 19 January 2009.
- "NCAA suspends admission of new members for 2009". GMANews.tv. 3 February 2009. Retrieved 4 February 2009.
- Legaspi, Perry (3 June 2009). "Guest teams given chance to vie for NCAA titles". GMANews.tv. Retrieved 6 June 2009.
- "Mendoza's MVP-like performance lifts Generals to triumph". GMANews.tv. 5 October 2009. Retrieved 26 December 2009.
- "Carpet bombing: JRU gunners sweep NCAA MVP awards". GMANews.tv. 20 October 2009. Retrieved 26 December 2009.
- "Arellano Chiefs Beat JRU Heavy Bombers in NCAA Season 87 Basketball Game". GMANews.tv. 6 July 2011. Retrieved 8 July 2011.
- "NCAA Season 91 Women's Volleyball Lineups". ABS-CBN Sports. 26 November 2015. Retrieved 27 November 2015.