Rumination may refer to:
Rumination, the digestive process of ruminants Rumination syndrome, a chronic condition characterized by effortless regurgitation of most meals following consumption Deep thought or consideration Rumination (psychology), contemplation or reflection, which may become persistent and recurrent worrying or brooding Ruminations, an email column and series of books written by comedian Aaron Karo Ruminations (album), a 2016 album by American musician Conor Oberst