Osmar Loss
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Osmar Loss Vieira (born 3 July 1975), or simply Osmar, is a Brazilian professional football manager who is the head coach of Persian Gulf Pro League club Persepolis F.C.
Career
Born in Passo Fundo, Rio Grande do Sul, Loss began his career with Internacional's youth setup in 1994. On 6 July 2009, he was appointed manager of the B-side.
On 23 December 2009, Loss was appointed manager of Juventude, being sacked the following 16 August. After another spell back at Inter and Fluminense's youth setups, he was named at the helm of the former's reserves for the second time.
On 18 July 2011, Loss was appointed interim manager of the main squad, replacing sacked Paulo Roberto Falcão; his reign lasted until 12 August 2011, and he returned to the B-team. On 20 November of the following year, he was again interim, in the place of dismissed Fernandão. He returned to his previous duties on 12 December, after the appointment of Dunga.
On 17 September 2013, after being demoted to the under-20 squad by Dunga, Loss joined Corinthians and was named manager of the under-20 side. On 17 April 2015, he was appointed at the helm of Bragantino, after a partnership with Corinthians was established; his reign lasted nearly three months, and he subsequently returned to Corinthians and its under-20 squad.
On 30 January 2017, after winning the year's Copa São Paulo de Futebol Júnior, Loss was appointed Fábio Carille's assistant at the main squad. On 22 May 2018, he replaced Carille as a first team manager.
On 5 September 2018, after a 2–1 defeat to Ceará, Loss was demoted back to his previous role as an assistant. On 28 November, he was named manager of Série B side Guarani for the upcoming season.
Persepolis
On 22 July 2022, Loss joined Persepolis as assistant coach. On 27 January 2024, Loss was named Persepolis head coach, replacing Iranian Yahya Golmohammadi.
Managerial statistics
As of match played 20 February 2026
| Team | Nat. | From | To | Record | Ref. | ||||
|---|---|---|---|---|---|---|---|---|---|
| G | W | D | L | Win % | |||||
| Juventude | Brazil | 23 December 2009 | 16 August 2010 | 22 | 2 | 9 | 11 | 009.09 | |
| Internacional | Brazil | 18 July 2011 | 12 August 2011 | 12 | 3 | 6 | 3 | 025.00 | |
| Bragantino | Brazil | 20 April 2015 | 9 July 2015 | 12 | 4 | 1 | 7 | 033.33 | |
| Corinthians | Brazil | 23 May 2018 | 5 September 2018 | 25 | 10 | 5 | 10 | 040.00 | |
| Guarani | Brazil | 28 November 2018 | 21 March 2019 | 13 | 4 | 2 | 7 | 030.77 | |
| Vitoria | Brazil | 21 May 2019 | 4 August 2019 | 10 | 2 | 2 | 6 | 020.00 | |
| Internacional (caretaker) | Brazil | 11 June 2021 | 22 June 2021 | 2 | 1 | 0 | 1 | 050.00 | |
| Cianorte | Brazil | 9 June 2022 | 25 July 2022 | 6 | 2 | 1 | 3 | 033.33 | |
| Persepolis | Iran | 27 January 2024 | 12 June 2024 | 17 | 13 | 3 | 1 | 076.47 | |
| Buriram United | Thailand | 26 June 2024 | 7 October 2025 | 72 | 48 | 15 | 9 | 066.67 | |
| Persepolis | Iran | 27 October 2025 | Present | 14 | 7 | 2 | 5 | 050.00 | |
| Career Total | 205 | 96 | 46 | 63 | 046.83 |
Honours
Manager
Persepolis
Buriram United
Individual
- Thai League 1 Coach of the Month: August 2024
- Thai League 1 Coach of the Year: 2024–25
Assistant Manager
Persepolis
External links
- at Soccerway (archived)
- at Soccerpunter.com
- at WorldFootball.net