A sink is a bowl-shaped fixture used for washing hands or small objects.

Sink may also refer to:

Music Sink (Floater album), an album released by rock band Floater in September 1994. Sink (Foetus album), an album released by solo musical project Foetus Inc in October 1989. Sink, a late 80s/early 90s UK punk band led by Ed Wenn after leaving The Stupids.

People Alex Sink (born 1948), Adelaide "Alex" Sink, Chief Financial Officer of the state of Florida Mark Sink, (born 1958), American photographer Robert Sink (1905–1965), senior United States Army officer Sadie Sink (born 2002), American actress Sink Izumi, the lead character in the anime series Dog Days

Science Sources and sinks, a general term used in science Sink (computing), an object implementing the interface to receive incoming events Sink (geography), an area of dry land below sea-level Sink (graph theory), a vertex with 0 out-degree Sink, a point where the divergence of a vector field is negative Sink, a flow network node that has more incoming flow than the outgoing flow Sink condition (pharmaceutics), a required condition during chemical dissolution tests Sink, or attractor, in dynamical systems (mathematics) Sinkhole, a natural depression or hole caused by chemical dissolution of carbonate rocks Heat sink, a component or assembly that transfers heat generated within a solid material to a fluid medium

Other uses Sink (champagne), the act of pouring out the champagne in the sink Sink OFC, a term for an offshore financial center

See also Sinking (disambiguation) Sinks Canyon State Park, a Wyoming state park located in the Wind River Mountains Carbon dioxide sink Synch (disambiguation) Lincoln Burrows or Linc the Sink, a character in Prison Break