Ignacio Buse (born 25 March 2004) is a Peruvian tennis player. He has a career high ATP singles ranking of world No. 209 achieved on 16 September 2024. He also has a doubles ranking of No. 439 achieved on 16 October 2023.^[1]

Buse represents Peru at the Davis Cup, where he has a W/L record of 1–0.^[2]

In August, Buse reached his first Challenger doubles final in Lima partnering with Jorge Panta.

In February 2024, Buse received a wildcard for the qualifying competition at the 2024 Chile Open. In August, he reached his first Challenger singles final in Como, losing to Gabriel Debru in the final.^[3]

In February 2025, Buse received a main draw wildcard for the 2025 Chile Open, where he lost in the first round against Laslo Djere

Buse is the nephew of world-renowned chef Gaston Acurio.^[4]

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Aug 2024	Como, Italy	Challenger	Clay	Gabriel Debru	1–6, 6–2, 3–6

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Aug 2023	Lima, Peru	Challenger	Clay	Jorge Panta	Gonzalo Bueno Daniel Vallejo	4–6, 2–6

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Nov 2022	M15 Lima, Peru	WTT	Clay	Gonzalo Bueno	4–6, 1–6
Win	1–1	Oct 2023	M25 Mendoza, Argentina	WTT	Clay	Luciano Emanuel Ambrogi	7–6(7–4), 6–3
Win	2–1	Oct 2023	M25 Zapopan, Mexico	WTT	Clay	Victor Lilov	6–3, 7–6(7–1)
Loss	2–2	Mar 2024	M25 Tarragona, Spain	WTT	Clay	Marko Topo	3–6, 6–2, 2–6
Win	3–2	May 2024	M25 Vic, Spain	WTT	Clay	Albert Pedrico Kravtsov	6–3, 6–2

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Aug 2022	M15 Cancún, Mexico	WTT	Hard	Jorge Panta	Marco Brugnerotto Alexander Cozbinov	6–2, 7–6(7–5)
Loss	1–1	Oct 2023	M25 Mendoza, Argentina	WTT	Clay	Juan Carlos Prado Ángelo	Arklon Huertas del Pino Conner Huertas del Pino	4–6, 4–6

Result	Year	Tournament	Surface	Partner	Opponents	Score
Loss	2022	French Open	Clay	Gonzalo Bueno	Mili Poljičak Edas Butvilas	4–6, 0–6

• Ignacio Buse at the Association of Tennis Professionals
• Ignacio Buse at the International Tennis Federation
• Ignacio Buse at the Davis Cup