Hypothesis (disambiguation)

A hypothesis is a proposed explanation for a phenomenon.

Hypothesis may also refer to:


 * Hypothesis (album), music by Vangelis
 * Hypothesis (drama), in ancient usage, a summary of the plot of a classical drama
 * Hypothesis of a theorem, in mathematics
 * Hypothes.is, a website annotation software
 * Hypothesis Z, the first Romanian war plan for World War I

Hypothetical may also refer to:
 * Geoffrey Robertson's Hypotheticals, an Australian TV panel show
 * Hypothetical (album), 2001 progressive metal album
 * Hypothetical (TV series), a comedy TV show