00, double zero or variants may refer to:
Arts and entertainment 00 Agent, a fictional agent with a license to kill in the James Bond media Symphony No. 00 (Bruckner), an alternate name for Bruckner's Symphony in F minor "Double Zeros" (Runaways), an episode of Runaways Double Zero Records, a record label
Science and technology 00 gauge, or OO gauge, a standard for model railways 00, a common international call prefix 00, an American wire gauge size 00, a Very Fine grade of steel wool 00, a shotgun ammunition size for buckshot Jaguar Type 00, an electric concept car
Other uses Years such as 1900, 2000, or 2100 Size 00, a women's clothing size in the US catalog sizes system 00, a pocket on some roulette wheels 00, a grade of Italian flour
See also Zero Zero (disambiguation) Double O (disambiguation) 0 (disambiguation) 00s (disambiguation) OO (disambiguation) 0O (disambiguation) O0 (disambiguation) Leading zero Mobile Suit Gundam 00, an anime series