City Harvest Church (Chinese: 城市丰收教会) or CHC is a pentecostal megachurch in Singapore. CHC has two main worship venues: its conventional church, completed in 2002 in the western part of the island, which emphasizes size and modern aesthetics and has a main hall capacity of 2,300 people; and the downtown Suntec Singapore Convention & Exhibition Centre, used since 2010 for its larger worship space.

The church's building features four levels of basement. It has been cited by Singapore Records as the "world's deepest church." With a main auditorium spanning 1,700 square meters, the church is also listed by Singapore Records as the largest church structure in the South-East Asian Peninsula.

Founded in 1989 by Kong Hee, the church officially bases its values on Charismatic and Pentecostal teachings, with emphases on such doctrines as the Great Commandment, the Great Commission and the Cultural Mandate.

City Harvest Church is a congregational member of the National Council of Churches of Singapore. Services are held at its church building in Jurong West and rented hall space at Suntec International Convention Centre.

In 2015, six church leaders and fund or finance managers were found guilty of criminal breach of trust and falsification of accounts. When all six of them appealed against the verdict and sentences, the Appeal Court found them guilty of basic criminal breach of trust and reduced their sentences. The Court also noted that the six were not motivated by personal gain, and no permanent loss was intended or caused to CHC – all the monies were returned to the church with interest.

The church was one of three megachurches to make it to a list of Singapore's 10 largest charities, according to a report by The Straits Times in 2019.

The Straits Times reported that CHC's congregation size peaked at 33,000 in 2010 before investigations into its leaders began. In 2012, Global Church Network listed CHC as one of the ten largest churches outside of the US. The church reported that it had a congregation size of 15,654 in 2019 and an average weekly viewership of 17,276 for its online services and resources in 2020. CHC exhibits a young membership profile relative to established mainline denominations. As of 2014, 13.9% of the membership are between 20 and 24 years old, and 49.2% are between the ages of 25 and 45. As of 2018, the demographics revealed that 45.1% are men, 54.9% are women, 34.1% are married, and 61.9% are single. 55.9% of them are working adults, while most of the rest are serving the military, non-salaried, students, or children.

The church was founded by Kong Hee and his wife Sun Ho on 7 May 1989 and held its first service at Peace Centre. It first functioned as "Ekklesia Ministry," a youth department under the legal covering of Bethany Christian Centre, an Assemblies of God church. On 21 December 1992, City Harvest Church was set up as a society. It was registered under the Charities Act on 16 October 1993. ^{[citation needed]}