Antonio Jose Nieves (born May 25, 1987) is an American professional boxer who challenged for the World Boxing Organization junior bantamweight title in 2017.

Nieves is a multiple-time Cleveland Golden Gloves open champion and was national runner-up in 2011.^[1][2]

As Nieves rose in the rankings he defeated multiple-time world title challenger Lorenzo Trejo.^[3] He defeated Oscar Mojica to win the North American Boxing Organization bantamweight title.^[4][5]

On March 10, 2017 Nieves defend his North American Boxing Organization title against Nikolai Potapov on ShoBox.^[6] He lost the defense by split decision.^[7][8][9]

Nieves fought Naoya Inoue for the WBO junior bantamweight world title.^[10] He lost by 6th round technical knockout due to a corner stoppage.^[11]

No.	Result	Record	Opponent	Type	Round, time	Date	Location	Notes
26	Loss	20–4–2	Alexandro Santiago	RTD	7 (10), 3:00	Oct 29, 2022	Desert Diamond Arena, Glendale, Arizona U.S.
25	Win	20–3–2	Judy Flores	UD	8	May 21, 2021	The Civic Center, Cleveland Heights, Ohio, U.S.
24	Loss	19–3–2	Joshua Greer Jr.	UD	10	Oct 26, 2019	Sparks Convention Center, Reno, Nevada, U.S.	For WBC Continental Americas and WBO–NABO bantamweight titles
23	Win	19–2–2	José Alfredo Rodríguez	TKO	2 (8), 1:11	Jun 8, 2019	Northfield, Ohio, U.S.
22	Win	18–2–2	Christian Esquivel	KO	3 (8), 0:56	Jul 28, 2018	Hollywood Casino, Columbus, Ohio, U.S.
21	Loss	17–2–2	Naoya Inoue	RTD	6 (12), 3:00	Sep 9, 2017	StubHub Center, Carson, California, U.S.	For WBO junior bantamweight title
20	Loss	17–1–2	Nikolai Potapov	SD	10	Mar 10, 2017	MGM Grand, Detroit, Michigan, U.S.	Lost WBO–NABO bantamweight title
19	Win	17–0–2	Szilveszter Ajtai	TKO	2 (6), 0:46	Nov 26, 2016	Firebird Athletic Center, Bedford, Ohio, U.S.
18	Draw	16–0–2	Alexandro Santiago	SD	10	Aug 19, 2016	Rhinos Stadium, Rochester, New York, U.S.	Retained WBO–NABO bantamweight title
17	Win	16–0–1	Oscar Mojica	UD	10	Jun 18, 2016	Meadows Racetrack and Casino, Washington, Pennsylvania, U.S.	Won vacant WBO–NABO bantamweight title
16	Win	15–0–1	Tibor Nadori	KO	3 (8)	Feb 13, 2016	Mountaineer Casino, Racetrack and Resort, Chester, West Virginia, U.S.
15	Win	14–0–1	Lorenzo Trejo	KO	1 (6), 2:34	Nov 25, 2015	Bayfront Convention Center, Erie, Pennsylvania, U.S.
14	Win	13–0–1	Tae Woong Jung	UD	6	Sep 5, 2015	Presque Isle Downs and Casino, Erie, Pennsylvania, U.S.
13	Draw	12–0–1	Stephon Young	SD	8	Jun 20, 2015	Oracle Arena, Oakland, California, U.S.
12	Win	12–0	Gabor Molnar	KO	1 (8), 1:57	Jun 6, 2015	Presque Isle Downs and Casino, Erie, Pennsylvania, U.S.
11	Win	11–0	Saul Tejada	UD	8	Mar 28, 2015	Resorts World Casino, Queens, New York, U.S.
10	Win	10–0	DeWayne Wisdom	RTD	5 (6)	Dec 20, 2014	Island Casino Racetrack, Wheeling, West Virginia, U.S.
9	Win	9–0	Jovany Fuentes	UD	6	Nov 14, 2014	CONSOL Energy Center, Pittsburgh, Pennsylvania, U.S.
8	Win	8–0	Justin Lopez	UD	6	Aug 15, 2014	Grand Plaza Hotel, Toledo, Ohio, U.S.
7	Win	7–0	Angel Carvajal	TKO	6 (6), 0:54	Jul 11, 2014	Rivers Casino, Pittsburgh, Pennsylvania, U.S.
6	Win	6–0	Adalberto Tapia	KO	1 (4), 2:59	May 17, 2014	Mountaineer Casino, Racetrack and Resort, Chester, West Virginia, U.S.
5	Win	5–0	Brian Raglin	TKO	1 (4), 1:28	Nov 30, 2013	Mountaineer Casino, Racetrack and Resort, Chester, West Virginia, U.S.
4	Win	4–0	Hector Gonzalez	KO	3 (4), 1:41	Apr 20, 2013	Coliseo Manuel Iguina, Arecibo, Puerto Rico
3	Win	3–0	Rafael Gramajo	UD	4	Nov 24, 2012	Premier Soccer Academy, Lorain, Ohio, U.S.
2	Win	2–0	Jesus Gonzales	MD	4	May 19, 2012	La Villa Banquet Center, Cleveland, Ohio, U.S.
1	Win	1–0	DeWayne Wisdom	UD	4	Nov 12, 2011	La Villa Banquet Center, Cleveland, Ohio, U.S.

He works for PNC Bank as a personal banker.^[12][13] He lost his sister in October, 2016 as a murder victim.^[14]

• Boxing record for Antonio Nieves from BoxRec (registration required)