1/7 or 1-7 most commonly refers to 1/7 (number), a fraction (one seventh, )
1/7 may also refer to: January 7 (month-day date notation) 1 July (day-month date notation) 1st Battalion 7th Marines, an infantry battalion of the 7th Marine Regiment of the US Marine Corps 7th Battalion (1st British Columbia), CEF 1 shilling and 7 pence in UK predecimal currency Schweizer SGU 1-7
See also 7/1 (disambiguation) Angiotensin (1-7) Seventh (disambiguation)