1-9 may refer to:
- 0s, the first "decade" of the AD/CE time system (AD 1–9)
- 1% rule (Internet culture), also known as the 1–9–90 rule
- Two services of the New York City Subway which formerly ran together
- U.S. Route 1/9 concurrency in northern New Jersey
- Emergency telephone number for city police in Morocco
See also
Topics referred to by the same termThis disambiguation page lists articles associated with the same number.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: