Tiago Pereira (born 20 June 2004) is a Portuguese tennis player. Pereira has a career high ATP singles ranking of No. 260 achieved on 17 November 2025 and a career high ATP doubles ranking of No. 140 achieved on 30 March 2026.
Pereira has won three ATP Challenger doubles titles. The first at the 2025 Maia Challenger, followed by 2026 Crete Challenger II and the 2026 Montemar Challenger in Alicante.