Splitter or splitters may refer to:

• DSL filter or DSL splitter, in telecommunications
• Fiber-optic splitter
• Hybrid coil, a three windings transformer
• Power dividers and directional couplers, in RF engineering
• Siamese connection for hydrants and fire hoses
• Splitter (automotive), an aerodynamic feature in cars
• Splitter, a table saw safety device
• Y-cable, a type of cable containing three ends of which one is a common end that in turn leads to a split into the remaining two ends
• Phase splitter

• Splitter (geometry), a line segment of a triangle
• Lumpers and splitters, opposing tendencies in any discipline which has to place individual examples into rigorously defined categories

• Split-finger fastball, or splitter, a baseball throwing technique
• Mark Splitter, an American college football coach
• Tiago Splitter, a Brazilian basketball player

• Another name for fictional superhero Arm Fall Off Boy
• TimeSplitters, a first-person shooter video game

• File splitter, in computing, a media demultiplexer
• Splittermuster, a World War II-era German camouflage pattern
• Split (disambiguation)
• Splitting (disambiguation)