Lucas René Olaza Catrofe (born 21 July 1994) is a Uruguayan professional footballer who plays as a left-back for Russian Premier League club Krasnodar and the Uruguay national team.

After graduating from River Plate's youth system, he made his professional debut on 19 February 2012, in a 3–2 away loss against Nacional.

[5] On 29 July 2015, Olaza moved to La Liga side Celta de Vigo, initially assigned to the reserves in Segunda División B.

On 27 July 2017, Olaza agreed to a three-year deal with Talleres de Córdoba, as the club bought 70% of his federative rights.

[10] He remained an integral part of the starting XI from this point, eventually helping the team to escape relegation on the final matchday.