Chen Jiayu (; birth name Francisco Chen, nickname Chico Chen; born 14 July 1993) is a Portuguese professional footballer who currently plays for Cova da Piedade. Born in Portugal, he renounced his Portuguese passport to receive the Chinese citinzenship in 2016.
Chen was born in Lisbon to father Chen Shichao (), a professional table tennis player. Chen Shichao originates from Guangzhou, the People's Republic of China and emigrated to Portugal after he accepted the invitation of Portuguese table tennis club Sporting CP in 1989. Chen joined Pescadores's youth academy and was promoted to the first team in 2013. On 14 September 2013, he made his senior debut in a 2âÂÂ2 away draw against União de Tomar, coming on as a substitute for Charles Oliveira in the 86th minute.
Chen joined Chinese holding club Mafra in 2014. He moved to Loures in the summer of 2015. He made his debut for the club on 23 August 2015 in a 0âÂÂ0 home draw to 1ú de Dezembro. After making 13 appearances in the 2015âÂÂ16 season, he joined another Campeonato de Portugal team Tourizense in July 2016. He made his debut on 21 August 2016, playing the whole match in a 1âÂÂ1 home draw against Mortágua.
On 18 August 2017, Chen transferred to LigaPro side Cova da Piedade. On 12 May 2018, he made his debut in LigaPro in a 3âÂÂ2 win over União da Madeira.
Chen's father Chen Shichao is currently the men's and women's table tennis team coach of Sporting CP. His younger brother Diogo Chen (Chen Jiahong) is a table tennis player for Sporting CP and Portugal. Chen Jiayu renounced Portuguese nationality and acquired Chinese nationality in March 2016.