Hiatus may refer to:

• Hiatus (anatomy), a natural fissure in a structure
• Hiatus (stratigraphy), a discontinuity in the age of strata in stratigraphy
• Hiatus, a genus of picture-winged flies with sole member species Hiatus fulvipes
• Global warming hiatus, relating to trends in global temperatures as measured at earth's surface
• Vowel hiatus, a sequence of two syllables with no consonant in the middle

• "Hiatus" (30 Rock), first-season finale episode of 30 Rock
• 'Hiatus" (NCIS), an episode of NCIS
• Hiatus (television), a break of several weeks or more in television scheduling
• Hiatus (production), a routine break of television and movie production

• Hiatus (band), a Belgian crustcore band
• The Hiatus, a Japanese rock band
• "Hiatus", a song from the Asking Alexandria album Stand Up and Scream