Leopoldo Dante Tévez (known as Leo Dan; March 22, 1942 – January 1, 2025) was an Argentine composer and singer.

His greatest hits include "Celia", "Fanny", "Cómo te extraño, mi amor", "Estelita", "Libre solterito y sin nadie", "Santiago querido", "Qué tiene la niña", "Por un caminito", "Solo una vez", "Mary es mi amor", "Siempre estoy pensando en ella", "Te he prometido", "Esa pared", "Toquen mariachis, canten", "El radio está tocando tu canción", "Pareces una nena", "Yo sé que no es feliz", "Más que un loco", "Fue una noche de verano", "Pídeme la luna" and "Ojos Azules".

He, Palito Ortega and Leonardo Favio are considered the principal Argentine singers of the Nueva Ola (New Wave) music that was popular in the 1960s and 1970s in Latin America.

With a mellow voice and his individual interpretative style, Leo Dan is one of the most recognized figures among Spanish-language vocalists.

[3] Tévez's hit "Te he prometido" features prominently in Alfonso Cuarón's 2018 multi-Oscar and Golden Globe-winning film Roma.