Sixes and sevens

Sixes and sevens may refer to:
 * At sixes and sevens, an English phrase and idiom, common in the United Kingdom
 * Sixes and Sevens, 1911 collection of short stories by O. Henry
 * At Sixes and Sevens, Sirenia's debut album
 * Sixes & Sevens, Adam Green's fifth solo record, released on March 7, 2008
 * Sixes and Sevens, a solitaire card game similar to Contradance