| Waited Too Long/Play It Loud | |
| Type: | single |
| Artist: | Diamond Head |
| Released: | 1981 |
| Label: | DHM Records |
| Producer: | Tony Wilson |
| Prev Title: | Sweet and Innocent |
| Prev Year: | 1980 |
| Next Title: | Call Me |
| Next Year: | 1982 |
"Waited Too Long"/"Play It Loud" is a single by British heavy metal band Diamond Head, released in 1981 via DHM Records. It was a double A-side with "Waited Too long" and "Play It Loud". Both tracks eventually ended up on the re-released version of Diamond Head's 1980 debut Lightning to the Nations in 2001 by Sanctuary Records.