Guilherme Luiz Oliveira da Silva (born 25 April 2005), known as Guilherme Luiz, Guilherme Olyver or just Guilherme, is a Brazilian professional footballer who plays as a forward for Ekstraklasa club Radomiak Radom, on loan from Göztepe.
Career On 1 November 2022, Guilherme signed a youth contract with Cruzeiro, being initially assigned to the under-17 team. On 13 September 2023, after just two appearances in the under-20 squad, he was released, and subsequently joined Boston City Brasil, where he would make his senior debut in the Campeonato Mineiro Segunda Divisão.
Guilherme played the 2024 Copa São Paulo de Futebol Júnior on loan at São-Carlense, and subsequently joined Ceará also in a temporary deal on 28 February 2024. Promoted to the latter's first team in the following year, he made his debut with the main squad on 30 January 2025, coming on as a late substitute for João Victor in a 1–0 Campeonato Cearense home win over Iguatu, and scored his first goal three days later by netting his side's third in a 5–0 home routing of Barbalha.
Guilherme made his Série A debut on 15 April 2025; after replacing Aylon, he assisted Pedro Raul in the club's second goal of a 2–1 home win over Vasco da Gama. On 24 May, Ceará exercised the buyout clause on his loan deal, purchasing 50% of his economic rights for a fee of R$ 400,000; the player signed a permanent deal until 2028.
On 4 January 2026, Guilherme was sold to Turkish side Göztepe of the Süper Lig for a rumoured fee of R$ 9 million. On 27 August 2026, he joined Polish club Radomiak Radom on loan with an option to buy.
Career statistics
+ Appearances and goals by club, season and competitionClubSeasonLeagueState leagueNational cupContinentalOtherTotalDivisionAppsGoalsAppsGoalsAppsGoalsAppsGoalsAppsGoalsAppsGoalsBoston City Brasil2023Mineiro Segunda Divisão—10———10Ceará2025Série A705110—90222Göztepe2025–26Süper Lig130————130Radomiak Radom (loan)2026–27Ekstraklasa00—00——00Career total20061100091362
Honours Ceará Campeonato Cearense: 2025
References