1/2 may refer to:
- One half (1⁄2 or ½)
- January 2 (month-day date notation)
- 1 February (day-month date notation)
- 1st Battalion 2nd Marines
- 1 shilling and 2 pence in British predecimal currency
This disambiguation page lists articles associated with the same number.
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If an internal link led you here, you may wish to change the link to point directly to the intended article.