|Date of birth||March 25, 2002|
|Place of birth||Merced, California, United States|
|Height||1.75 m (5 ft 9 in)|
|Seattle Sounders FC|
|2013–2016||Merced Atlas Soccer Academy|
|2016–2019||Seattle Sounders FC|
|2019–||Seattle Sounders FC||3||(0)|
|2019–||→ Tacoma Defiance (loan)||9||(4)|
|2017–||United States U17||24||(9)|
* Senior club appearances and goals counted for the domestic league only and correct as of 14:03, 20 October 2019 (UTC)|
‡ National team caps and goals correct as of 02:04, 13 October 2019 (UTC)
Ocampo-Chavez was raised in Merced, California, playing in the Merced Atlas Soccer Academy program. He signed a contract in 2016 to join the Seattle Sounders FC Academy at the age of 14, shortly after entering the U.S. youth national team system and training with the national under-14 team. He is of Mexican American descent.
He was transferred to the Sounders' under-17 team and played in the Generation Adidas Cup, scoring four goals against other MLS academy teams. Ocampo-Chavez made his professional debut on July 8, 2017, playing for USL club Seattle Sounders FC 2 on July 8, 2017 in a 4–1 defeat to Real Monarchs. He was signed to a full-time USL contract with the team in August 2018. In the 2019 Generation Adidas Cup, he led the Sounders team to the final by scoring six goals in five matches, including a hat-trick against the West Ham United Academy in the semifinal.
In October 2019, he was named to the United States squad for the 2019 FIFA U-17 World Cup in Brazil.
- Lynch, Sean (July 30, 2016). "Merced pair officially sign with MLS' Seattle Sounders". Merced Sun-Star. Retrieved April 18, 2019.
- Lynch, Sean (July 8, 2016). "Merced Atlas duo chasing Major League Soccer dreams". Merced Sun-Star. Retrieved April 18, 2019.
- Mondello, Joseph (August 8, 2018). "Pipeline Dream: Sixteen-year-old Alfonso Ocampo-Chavez is latest Seattle Sounders Academy star shining". Sounders Monthly. Seattle Sounders FC. Retrieved April 18, 2019.
- "Seattle Sounders FC 2 falls 4-1 to Real Monarchs SLC". SoundersFC.com. Seattle Sounders FC. July 8, 2017. Retrieved August 14, 2017.
- Mondello, Joseph (April 18, 2019). "Seattle Sounders U-17s dismantle England's West Ham United, advance to Generation adidas Cup Champions Division Final". Seattle Sounders FC. Retrieved April 18, 2019.
- Evans, Jayda (May 1, 2019). "Sounders sign 17-year-old forward Alfonso Ocampo-Chavez to homegrown player contract". The Seattle Times. Retrieved May 1, 2019.
- "Head Coach Raphael Wicky Names USA Roster for 2019 FIFA U-17 World Cup in Brazil". www.ussoccer.com. Retrieved 2019-10-10.
- Alfonso Ocampo-Chavez at USL Championship
- USSF Development Academy bio (demosphere)
- Alfonso Ocampo-Chavez at Soccerway