Juan Carlos Manuel Aguilar Peña (born 20 November 1998) is a British-born Canadian tennis player of Bolivian descent.

On the junior tour, Aguilar has a career high ranking of 23 achieved on 17 October 2016.

Aguilar won the 2016 US Open boys' doubles title, partnering Felipe Meligeni Alves. In doubles he won the ITF G1 Copa del Cafe in Costa Rica partnering Ulises Blanch and the ITF B1 Campeonato Sudamericano de 18 in Argentina, partnering Bruno Britez. In Singles he won two titles in 2016, ITF G2 Condor de Plata in La Paz, Bolivia and the ITF G2 Canada International Event in Montreal, Canada.

Result	Year	Tournament	Surface	Partner	Opponents	Score
Win	2016	US Open	Hard	Felipe Meligeni Alves	Félix Auger-Aliassime Benjamin Sigouin	6–3, 7–6(7–4)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Sep 2016	Canada F8, Toronto	Futures	Hard	Benjamin Sigouin	Hans Hach Verdugo Rhyne Williams	3–6, 3–6
Loss	0–2	Sep 2018	Bolivia F1, Santa Cruz	Futures	Clay	Franco Capalbo	Federico Zeballos Matías Zukas	7–6(8–6), 1–6, [5–10]
Win	1–2	Sep 2018	Bolivia F2, Santa Cruz	Futures	Clay	Franco Capalbo	Federico Zeballos Matías Zukas	6–3, 6–3
Win	2–2	Jul 2019	M25 Champaign, United States	World Tennis Tour	Hard	Axel Geller	Keenan Mayo Ricardo Rodríguez	6–4, 6–3
Win	3–2	Aug 2019	M25 Decatur, United States	World Tennis Tour	Hard	Axel Geller	Alan Kohen Santiago Rodriguez Taverna	6–1, 6–3
Loss	3–3	Dec 2019	M15 Cancún, Mexico	World Tennis Tour	Hard	Jorge Panta	Tanner Smith Reese Stalder	7–6(7–3), 1–6, [9–11]
Loss	3–4	Jan 2020	M15 Cancún, Mexico	World Tennis Tour	Hard	Tanner Smith	Nicolás Alberto Arreche David Pérez Sanz	6–7(7–9), 1–6
Win	4–4	Jul 2022	M15 Bern, Switzerland	World Tennis Tour	Clay	Jeffrey Von Der Schulenburg	Mirko Martinez Luca Staeheli	6–4, 7–5
Win	5–4	Sep 2022	M15 Lubbock, United States	World Tennis Tour	Hard	Pranav Kumar	Kristof Minarik Alexander Richards	6–3, 7–5
Win	6–4	Mar 2023	M25 Montréal, Canada	World Tennis Tour	Hard	Joe Tyler	Scott Duncan Marcus Willis	6–4, 5–7, [11–9]
Win	7–4	Apr 2023	M15 Santo Domingo de los Tsáchilas, Ecuador	World Tennis Tour	Clay	Ezekiel Clark	Mateo Barreiros Reyes Victor Lilov	6–1, 7–5
Win	8–4	Apr 2023	M15 Santo Domingo de los Tsáchilas, Ecuador	World Tennis Tour	Clay	Ezekiel Clark	Luís Britto Paulo Andre Saraiva dos Santos	6–3, 7–5
Loss	8–5	May 2023	M25 Xalapa, Mexico	World Tennis Tour	Hard	Jorge Panta	Andres Andrade Facundo Mena	6–7(3–7), 3–6

• indicates the outcome of the Davis Cup match followed by the score, date, place of event, the zonal classification and its phase, and the court surface.

Rubber outcome	No.	Rubber	Match type (partner if any)	Opponent nation	Opponent player(s)	Score
4–1; 7–9 April 2017; Club de Tenis Santa Cruz, Santa Cruz, Bolivia; Americas Zone Group II Relegation play-off; Clay surface
Victory	1	V	Singles (dead rubber)	Bahamas	Justin Lunn	6–4, 6–3
3–2; 13–14 September 2019; Federación Nacional de Tenis, Guatemala City, Guatemala; Americas Zone Group II First round; Hard surface
Defeat	2	III	Doubles (with Hugo Dellien)	Guatemala	Stefan Emilio González / Wilfredo González	4–6, 4–6

• Juan Carlos Manuel Aguilar at the Association of Tennis Professionals
• Juan Carlos Aguilar at the International Tennis Federation
• Juan Carlos Aguilar at the Davis Cup