Hangzhou Spark (simplified Chinese: 杭州闪电; traditional Chinese: 杭州閃電; pinyin: Hángzhōu Shǎndiàn) is a Chinese professional Overwatch esports team based in Hangzhou, Zhejiang. The Spark compete in the Overwatch League (OWL) as a member of the league's East region. Founded in 2018, Hangzhou Spark began play as one of eight expansion teams in 2019 and is one of four professional Overwatch teams based in China. The team is owned by Bilibili, a Chinese video sharing website; the company also owns Bilibili Gaming, who operate their own Overwatch division that compete in Overwatch Contenders as an academy team for the Spark.