|Full name||Athirson Mazzoli e Oliveira|
|Date of birth||16 January 1977|
|Place of birth||Rio de Janeiro, Brazil|
|Height||1.83 m (6 ft 0 in)|
|Playing position||Left winger
|1998||→ Santos (loan)||25||(1)|
|2002–2003||→ Flamengo (loan)||23||(4)|
|2012||Duque de Caxias||0||(0)|
|1999–2000||Brazil – (U-23)||14||(2)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 17 January 2010.
‡ National team caps and goals correct as of 17 January 2010
Athirson Mazzoli e Oliveira, better known as Athirson (born 16 January 1977) is a former Brazilian footballer who played as left back. He is currently coaching, where he heads the Flamengo do Piauí.
Usually a left back, Athirson could also play on the left wing and as an attacking midfielder. He was useful there because of his accurate passing and articulate dribbling skills.
Athirson was released by Bayer Leverkusen along with Roque Junior. He then signed a six months contract with Botafogo. but his contract was terminated on 4 October 2007, after just playing only seven times for the club.
He signed a one-year contract with Brasiliense on 22 February 2008, then signed for Portuguesa in September 2008. On 26 April 2009 the left-back signed for Cruzeiro on a free transfer until December.
He had received an offer from America-RJ after his contract with Portuguesa expired on 31 December 2010. In 2011, he signed for Duque de Caxias to play at Campeonato Brasileiro Série B but was released during the competition. On 6 October 2011, he signed for Projecta, a Brazilian indoor soccer club based at Espírito Santo.
Athirson has played five times for the Brazilian national team. He also had 14 appearances and two goals for Brazil U-23 which compete at the 2000 Summer Olympics. He was in the squad of 1997 FIFA World Youth Championship.
- Toulon Tournament: 1996
- Gold Cup: 1996
- Brazilian Cup: 1998
- Conmebol Cup: 1998
- Rio de Janeiro State League: 1999, 2000
- Brazilian League: 1999, 2000
- Tournament Rio – São Paulo: 1999
- Guanabara Cup : 1999
- Copa América: 1999
- Mercosul Cup: 1999
- Pre-Olympic Tournament: 2000
- Brazilian Bola de Prata (Placar): 2002
- "Athirson Mazzoli e Oliveira". Br.soccerway.com.
- "Loan agreement regarding the player Athirson Mazzolli e Oliveira" (PDF). Juventus Turin. Retrieved 28 February 2016.
- "Reports and Financial Statements at 30 June 2004" (PDF). Juventus Turin. Retrieved 14 March 2010.
- "Botafogo fecha com Athirson, Reinaldo e Marcos Leandro" (in Portuguese). www.mercadofutebol.com. Retrieved 14 March 2010.
- "Athirson leaves Botafogo" (in Portuguese). www.mercadofutebol.com. Retrieved 14 March 2010.
- "Portuguesa confirma saída de Athirson para o Cruzeiro" (in Portuguese). www.estadao.com.br. 28 April 2009. Archived from the original on 18 March 2010. Retrieved 14 March 2010.
- "Projecta acerta com Athirson para etapa do Nacional em Pernambuco" (in Portuguese). www.globoesporte.com. 6 October 2011. Retrieved 6 October 2011.