Diego Aguirre Parra (Spanish pronunciation: [ˈdjeɣo aˈɣire ˈpara]; born 17 October 1990) is a Spanish footballer who plays as a left winger or left-back for Segunda Federación club Zamora.

Aguirre was born in Toledo, Castilla-La Mancha. He finished his formation in CD Toledo's youth ranks, and made his senior debuts with the reserves in the 2009–10 campaign, playing in the regional leagues.

On 5 December 2010 Aguirre made his first-team debut, coming on as a second-half substitute in a 0–0 draw at Manzanares CF in the Tercera División.^[1] He scored his first goal on 9 January of the following year, netting the last of a 4–0 home win against CP Villarrobledo.^[2]

On 19 July 2012, after appearing regularly with Toledo and being relegated back to the fourth level, Aguirre signed a new deal with the club.^[3] He remained as a starter in the following two campaigns, scoring 13 goals in both seasons combined.

On 11 June 2014 Aguirre signed a three-year deal with La Liga side Rayo Vallecano.^[4][5] He was officially presented on 15 July, along with Derek Boateng.^[6]

On 29 August 2014 Aguirre was loaned to CD Leganés, newly promoted to the Segunda División, in a season-long deal.^[7] He played his first match as a professional two days later, replacing Carlos Álvarez in the 62nd minute of a 0–2 away loss against UE Llagostera.^[8]

On 12 October 2014 Aguirre scored his first professional goal, netting the first in a 1–2 away loss against Sporting de Gijón.^[9] On 26 August 2015 he was loaned to Real Oviedo also in the second tier, for one year.^[10]

Returning to Rayo in July 2016, Aguirre contributed with three goals in 19 appearances during the 2017–18 campaign as his side achieved a top-tier promotion. On 12 June 2018, he signed a three-year contract with second division side Real Zaragoza.^[11]

On 7 June 2019, Zaragoza reached an agreement with Apollon Limassol for the transfer of Aguirre.^[12]

Rayo Vallecano

• Segunda División: 2017–18