| By Tomorrow | |
| Cover: | By_Tomorrow.jpg |
| Type: | single |
| Artist: | Sandie Shaw |
| B-Side: | Maple Village |
| Released: | February 1970 |
| Genre: | Pop |
| Label: | Pye |
| Prev Title: | Heaven Knows I'm Missing Him Now |
| Prev Year: | 1969 |
| Next Title: | Wight Is Wight |
| Next Year: | 1970 |
"By Tomorrow" is a single by British singer Sandie Shaw. This was her first single of the 1970s after a highly successful string of singles the previous decade. Although it is a favourite amongst fans and was featured on Top of the Pops at the time of its release, it was not a commercial success.