| Algún Día | |
| Cover: | Algun dia (single cover).jpg |
| Border: | yes |
| Type: | single |
| Artist: | Julieta Venegas featuring Gustavo Santaolalla |
| Album: | MTV Unplugged |
| Language: | Spanish |
| Released: | September 10, 2008 |
| Recorded: | 2008 |
| Genre: | Alternative, Latin pop |
| Length: | 4:00 |
| Label: | Sony International |
| Producer: | Julieta Venegas |
| Prev Title: | El Presente |
| Prev Year: | 2008 |
| Next Title: | Bajo Otra Luz |
| Next Year: | 2009 |
"Algún Día" (English: "Someday") is a song by Mexican singer-songwriter Julieta Venegas released as the second single from her album MTV Unplugged in 2008. Released on September 10, 2008 in Mexico and several Latin American countries.
The song was written and performed by Julieta Venegas herself on the MTV Unplugged, in collaboration with Gustavo Santaolalla playing the banjo and singing.
| Peak position | |
| Costa Rica (EFE)[2] | 9 |
|---|---|
| Mexico (Monitor Latino)[3] | 1 |
| Mexico (Billboard Espanol Airplay)[4] | 42 |