Diego Alfonzo Luna Flores (born 2 January 2000) is a Venezuelan football player who plays as a centre-back.
Luna played his younger years at LALA FC before later joining Deportivo La Guaira. In January 2020, Luna was loaned out to Spanish Tercera División club RSD Alcalá.
On 13 February 2024, Luna signed a three-and-a-half-year contract with Baltika Kaliningrad in the Russian Premier League.
On 30 August 2024, Luna was loaned out to Russian club Khimki.
On 27 December 2025, Luna's contract with Baltika was mutually terminated.