Light flyweight · United States

René Santiago

16-4-0 9 KO · 2014–2026

René Santiago is a light flyweight boxer from United States, born Apr 10, 1992. Record 16-4-0 with 9 knockouts over 2014–2026. World titles: WBA light flyweight (2026–present), WBA light flyweight (2025–2026), WBO light flyweight (2025–present). René Santiago last fought Masataka Taniguchi on Apr 3, 2026 and won by UD over 12 rounds.

Also: レネ・サンティアゴ · René Manuel Santiago García
BornApr 10, 1992
Country🇺🇸 United States
StanceOrthodox
Reach159 cm
DebutNov 22, 2014
Career2014–2026
Rounds boxed132
KO share56%
Born inHumacao, Puerto Rico
TitlesWBA, WBO light flyweight · 2025–present
Boxerbook rating#3 in Light flyweight · 1962 ± 129Why here ›
Confirmed bouts5 of 20 · 3 official

Record and next fight

Record
16-4-0, 9 KOs · 2014–2026
Next fight
No next fight confirmed

Last result

W
Masataka Taniguchi 🇯🇵
Retained WBA and WBO light-flyweight titles
UD 12/12 · Korakuen Hall, Tokyo, 🇯🇵
2026-04-03 ›
official ★

The record

20 bouts, 2014–2026, newest first. Records under each bout are both boxers going in.

Bouts by source: English Wikipedia · 20, Wikipedia (ja) · 20, Japan Boxing Commission — 試合報告書 · 3, WBA Fights Master Scores · 2

W
Masataka Taniguchi 🇯🇵
Retained WBA and WBO light-flyweight titles
UD 12/12 · Korakuen Hall, Tokyo, 🇯🇵
Santiago 15-4-0 · Taniguchi 21-6-0
2026-04-03 ›
official ★
W
Kyosuke Takami 🇯🇵
Retained WBO light-flyweight title
SD 12/12 · Ryogoku Kokugikan, Tokyo, 🇯🇵
Santiago 14-4-0 · Takami 10-0-0
2025-12-17 ›
official ★
W
Shokichi Iwata 🇯🇵
Won WBO light-flyweight title
UD 12/12 · Ryogoku Kokugikan, Tokyo, 🇯🇵
Santiago 13-4-0 · Iwata 15-1-0
2025-03-13 ›
official ★
W
Ricardo Astuvilca
Won vacant WBO International light-flyweight title
UD 12/12 · Coliseo Alcalde Marcelo Trujillo Panisse, Humacao, 🇵🇷
Santiago 12-4-0 · Astuvilca —
2024-10-30 ›
✓ one source
L
Jonathan González 🇵🇷
For WBO light-flyweight title
UD 12/12 · José Miguel Agrelot Coliseum, San Juan, 🇵🇷
Santiago 12-3-0 · González 27-3-1
2024-03-02 ›
✓✓ two sources
W
Kevin Vivas
Won WBO interim light-flyweight title
KO 12/12 · Polideportivo Alexis Arguello, Managua, 🇳🇮
Santiago 11-3-0 · Vivas —
2023-10-27 ›
✓ one source
W
Carlos Ortega 🇵🇦
For WBO Latino light flyweight title
TKO 9/10 · Coliseo de Combates, Pandeportes, 🇵🇦
Santiago 10-3-0 · Ortega 15-7-3
2023-04-14 ›
✓✓ two sources
W
Gerardo Zapata
Won vacant WBO Latino light-flyweight title
DQ 2/10 · Pabellon de Esgrima, Centro Olimpico, 🇩🇴
Santiago 9-3-0 · Zapata —
2022-12-16 ›
✓ one source
L
Yudel Reyes
For vacant NABO mini-flyweight title
UD 10/10 · Pabellon de Esgrima, Centro Olimpico, 🇩🇴
Santiago 9-2-0 · Reyes —
2022-04-08 ›
✓ one source
W
Jose Calderon
TKO 2/10 · Multiuso Villa Riva, San Francisco de Macoris, 🇩🇴
Santiago 8-2-0 · Calderon —
2021-11-07 ›
✓ one source
W
Israel Vázquez 🇲🇽
Won vacant WBO Latino light-flyweight title
UD 10/10 · Cancha Ruben Zayas Montanez, Trujillo Alto, 🇵🇷
Santiago 7-2-0 · Vázquez 44-5-0
2020-01-31 ›
✓ one source
W
Juan Gabriel Guzman Pichardo
TKO 1/10 · Discoteca Juanita, San Ignacio de Sabaneta, 🇩🇴
Santiago 6-2-0 · Pichardo —
2019-11-23 ›
✓ one source
L
Geovani Garcia Barragan
UD 6/6 · Auditorio Blackberry, Mexico City, 🇲🇽
Santiago 6-1-0 · Barragan —
2018-12-07 ›
✓ one source
W
Jesus Miguel Martinez Castillo
TKO 2/6 · Hotel Marien, San Ignacio de Sabaneta, 🇩🇴
Santiago 5-1-0 · Castillo —
2018-08-25 ›
✓ one source
W
Starlin Reyes Sierra
KO 1/4 · Club Plaza Valerio, Santiago de los Caballeros, 🇩🇴
Santiago 4-1-0 · Sierra —
2018-07-01 ›
✓ one source
L
Waldemar Pagan
UD 6/6 · Cancha Juanito Cabello, Cidra, 🇵🇷
Santiago 4-0-0 · Pagan —
2016-01-30 ›
✓ one source
W
Alberto Medina Maldonado
TKO 2/4 · Coliseo Tomas Dones, Fajardo, 🇵🇷
Santiago 3-0-0 · Maldonado —
2015-08-22 ›
✓ one source
W
Alexis Diaz 🇻🇪
TKO 3/4 · Coliseo Nelson Dieppa, Vieques, 🇵🇷
Santiago 2-0-0 · Diaz 16-2-0
2015-05-31 ›
✓ one source
W
Luis Díaz 🇵🇦
TKO 2/4 · Mario Morales Coliseum, Guaynabo, 🇵🇷
Santiago 1-0-0 · Díaz —
2015-04-25 ›
✓ one source
W
Gustavo Ortiz
UD 4/4 · Emilio E. Huyke Coliseum, Humacao, 🇵🇷
Santiago 0-0-0 · Ortiz —
2014-11-22 ›
✓ one source

Ratings now

2
Ring · Light flyweight
as of 2026-10-04
1
TBRB · Light flyweight
as of 2026-10-11
C
WBA · Light flyweight
Super champion
as of 2026-09-30
C
WBO · Light flyweight
as of 2026-09-01

World titles

WBALight flyweight
2026-09-30 – present
WBALight flyweight
2025-12-17 – 2026-07-28
WBOLight flyweight
2025-03-13 – present

Facts

What is René Santiago's record?
René Santiago's professional record is 16-4-0 with 9 knockouts.
When is René Santiago's next fight?
No next fight is confirmed as of 18 Oct 2026.
Who did René Santiago fight last?
René Santiago last fought Masataka Taniguchi on Apr 3, 2026 and won by UD over 12 rounds.
Which world titles has René Santiago held?
René Santiago has held 3 world title reigns: WBA light flyweight (2026–present), WBA light flyweight (2025–2026), WBO light flyweight (2025–present).

Sources

Boxerbook ID 2409 · permanent link boxerbook.com/id/2409. Wikidata (CC0), English Wikipedia (CC BY-SA), publisher rankings. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.

Wikipedia ↗Wikidata ↗