Blue II

Blue II or Blue 2 may refer to:


 * Beneteau Blue II, a French catamaran design
 * Blue II, a solar car made by Blue Sky Solar Racing in 1999
 * Blue II, a 1961 oil painting by Joan Miró as part of Triptych Bleu I, II, III
 * Blue II, a brand of disposable razors from Gillette
 * Butler Blue II, a dog, mascot of Butler University 2004–2013
 * Brilliant blue FCF, a food colorant also known as CI Food Blue 2
 * Indigo carmine, a food colorant also known as FD&C Blue 2