Thanh Hoa U21

After 1954, the sports and football movement in Thanh Hóa flourished, intending to establish a provincial football team to serve as the core of the development of the football movement in the province.

In 1962, to be the core of the development of the football movement, Thanh Hóa Provincial Sports Committee (the predecessor of the Department of Culture, Sports and Tourism of Thanh Hóa) established Thanh Hóa Youth Football Team, gathering football talents selected from local movement leagues.

At the end of 1962, in order to solve the output for athletes after completing the football task, Thanh Hóa province decided to move the Thanh Hóa Youth football team to the Thanh Hóa mechanical factory so that the players could play football. just learned a job at the factory with the new name Thanh Hóa Mechanical Football Team.

In 1965, the province dissolved the Thanh Hóa Mechanical football team and merged it into the Thanh Hóa Police Football Team.

In the late 1990s, the Thanh Hóa Police Football Team played unstable and was dissolved in 1994, while the youth teams of Thanh Hóa managed and trained by the Thanh Hoa Department of Physical Education and Sports were still active. They achieved good results, such as the National Championship of Thanh Hóa U-19 team in 1997. In order to revive the declining football background, the People's Committee of Thanh Hoa province decided to establish the Thanh Hóa Football Team.

In 2000, the Department of Physical Education and Sports re-established Thanh Hóa Football Team and started playing in the 2000-01 National Second Division Football League.

On 11 May 2005, Thanh Hóa Football Team signed a sponsorship contract worth VND 1.5 billion with IBD joint venture company and decided to combine the name Halida as well as change the name to Halida Thanh Hóa Football Club.

In 2008, from phase 2 of 2008 V-League, the team was transferred to Cong Thanh Group to take over and the team changed to a new name Cong Thanh Thanh Hóa Cement Football Club.

On 25 June 2009, sponsor Cong Thanh Cement stopped sponsoring before the end of the season. Cong Thanh Thanh Hoa Cement Football Club was transferred to Thanh Hóa Provincial People's Committee and officially used the name Thanh Hóa Football Club for the first time according to Decision No. 3339/QĐ-UBND signed by Vice Chairman of Thanh Hóa Provincial People's Committee Vuong Van Viet on 29 September 2009.

On 25 September 2009, Ministry of National Defense issued a decision to revoke the title of The Cong Football Team, and transferred the team back to the Viettel Group with the name Viettel Football Club. After Viettel Group showed no interest in professional football, the leaders of Thanh Hóa province decided to accept the playing slot of the Viettel playing in the V-League. On7 November, according to the agreement between the leaders of Thanh Hóa province and Viettel, the V-League and Viettel first team players were received and managed by the Department of Culture, Sports and Tourism and was signed by the Chairman of the Provincial People's Committee to establish a new football team with the name Viettel–Thanh Hóa Football Club. On 24 December 2009, Viettel–Thanh Hóa Football Club changed its name to Lam Son Thanh Hóa Football Club.

On January 18, 2010, Mr. Vuong Van Viet, Vice Chairman of Thanh Hóa Provincial People's Committee - signed a decision to disband Thanh Hoa Football Club and merge it into Lam Son Thanh Hóa. The team started official competition with the match against SHB Đà Nẵng for the 2009 National Super Cup on 23 January 2010 and played in the professional football tournament 2010 V-League season with the match slot transferred from the V-League. The Cong doesn't have to start from the third division.

At the end of the 2010 season, Lam Son Thanh Hóa was officially transferred to Lam Son Thanh Hóa Football Joint Stock Company (predecessor of Thanh Hoa Football JSC). In the following season, the company's Board of Directors decided to reuse the old name of the previously disbanded team, Thanh Hóa Football Club. After a while, due to many financial difficulties, Mr. Nguyen Van De, Chairman of Thanh Hóa Football Club, repeatedly applied to transfer the team back to the Department of Culture, Sports and Tourism. Thanh Hóa province. Faced with that situation, the provincial leaders called on FLC Group, an enterprise investing in many large-scale projects in Thanh Hóa, to receive and invest in the football team.

On 5 June 2015, FLC Group officially received Thanh Hóa Football Club from Thanh Hóa Football Joint Stock Company. Accordingly, all personnel including officers, employees, workers, coaches, first team players, youth teams under the club, coaching boards of football teams as well as all assets, Facilities under the Club's management such as the Youth Football Training Center, stadium,... have been handed over to FLC Group in their original state. On September 7, 2015, FLC Thanh Hóa Football Joint Stock Company was established, with a charter capital of 50 billion VND with 3 founding shareholders: FLC Group (owning 80% of charter capital), Mr. Doan Van Phuong (Chairman of the Board of Directors and CEO - 10%) and Mr. Le Thanh Vinh (10%).In 2016, according to information from the Ho Chi Minh City Stock Exchange (HOSE), the Board of Directors of FLC Group Joint Stock Company approved a decision to divest capital at FLC Thanh Hoa Football Joint Stock Company.

After 3 years of association, in November 2018, president Trinh Van Quyet of FLC Group announced to quit Thanh Hóa football and return FLC Thanh Hóa to the locality.

On 20 August 2023, Đông Á Thanh Hóa became the 2023 Vietnamese Cup champions after defeating Viettel 5–3 on penalties shootout. The club also won the 2023–24 Vietnamese Cup where it successfully defense its cup title after winning 9–8 on penalties shootout against Hà Nội.

In 2024, Đông Á Thanh Hóa then participate in the recently revived tournament, the 2024–25 ASEAN Club Championship being placed alongside Indonesian club PSM Makassar, Thailand club BG Pathum United, Malaysian club Terengganu, Cambodian club Preah Khan Reach Svay Rieng and Myanmar Shan United. Đông Á Thanh Hóa played the opening match of the tournament by hosting the game at the Thanh Hóa Stadium on 21 August where the club went on to win Shan United 3–1.