| Es (Theme of Es) | |
| Type: | single |
| Artist: | Mr. Children |
| Album: | Bolero |
| Released: | May 10, 1995 |
| Genre: | Progressive rock, pop rock, symphonic rock |
| Label: | Toy's Factory |
| Producer: | Takeshi Kobayashi |
| Prev Title: | Everybody Goes (Chitsujo no Nai Gendai ni Drop Kick) |
| Prev Year: | 1994 |
| Next Title: | See-Saw Game (Yūkan na Koi no Uta) |
| Next Year: | 1995 |
"Es (Theme of Es)" (officially written 【es】~Theme of es~) is the eighth single released by Mr. Children on May 10, 1995. It debuted at No. 1 on the Japanese Oricon weekly single charts.
Along with their next single "See-Saw Game (Yūkan na Koi no Uta)," "Es (Theme of Es)" was certified as a million-selling single of 1995 by the Recording Industry Association of Japan.[1]