| Stop Sign | |
| Cover: | Stop Sign ABS.jpg |
| Type: | single |
| Artist: | Abs |
| Album: | Abstract Theory |
| Released: | May 26, 2003 |
| Recorded: | 2002 |
| Genre: | Dance-pop |
| Length: | 2:53 |
| Label: | BMG |
| Producer: | Richard Stannard |
| Prev Title: | Shame |
| Prev Year: | 2002 |
| Next Title: | Miss Perfect |
| Next Year: | 2003 |
"Stop Sign" is the third single released from former Five member Abs's debut solo album, Abstract Theory. The single found fair success, peaking at No. 10 in the UK and No. 53 in Australia. The song samples "Stop Sign" by Mel Wynn.