Sparky is a common nickname for people and animals.
It may also refer to:
People nicknamed Sparky:
- Sparky Adams (Earl John Adams, 1894–1989), American Major League Baseball player
- Sparky Anderson (George Lee Anderson, 1934–2010), American Major League Baseball manager
- Sparky Lyle (Albert Walter Lyle, born 1944), American Major League Baseball pitcher
- Mark Hughes (born 1963), former Welsh international football player and manager
- Charles M. Schulz (1922–2000), American cartoonist, creator of the Peanuts comic strip
- Ronald Speirs (1920–2007), United States Army officer
- Sasha (DJ) (Alexander Paul Coe, born 1969), Welsh DJ and record producer
- Mark Phillips, vocalist of British band Demented Are Go
- Sparky Markowitz (Steve, Markowitz, ), Options/Derivatives Broker
- DJ Sparky (Bruno Davison), A 22 year old Edinburgh based Electro & House DJ
In fictional characters:
- Sparky the Fire Dog, official mascot of the National Fire Protection Association
- Sparky, Richie's Pikachu in the Pokémon series
- Sparky, one of the nicknames given to Rygel XVI by John Crichton in the science fiction television series Farscape
- Sparky, gay dog on the animated television series South Park
- Sparky, nickname for radio operator Sgt. Pryor on the television series M*A*S*H
- Sparky, mechanic in the animated television series Speed Racer
- Sparky, mechanic in the adventure game Flight of the Amazon Queen
- Sparky, enemy type encountered in Super Mario World
- Sparky the Wonder Penguin, character from the comic strip This Modern World
- Sparky, nickname for Clark Wilhelm Griswold, Jr. in the National Lampoon's Vacation movies
- Sparky, protagonist of the children's audio story Sparky's Magic Piano
- Sparky, alien starship pilot on the animated television series Atomic Betty
- Sparky, name of the dog in the Tim Burton movie Frankenweenie
- Sparky, alien experiment (number 221) from the Lilo & Stitch television series
- Sparky, a young husky that made a major appearance in the Totally Spies! episode Arnold the Great.
- Sparky, the original cover star of the British comic of the same name.
In other uses:
- Sparky, a common slang term in Australasia for an Electrician. Also occasionally used in engineering as slang for an electrical engineer
- Old Sparky, nickname for the electric chair in several U.S. states
- Sparky (Mascot), Liberty University's team mascot, an eagle
- Sparky the Sun Devil, Arizona State University mascot
- Sparky (comic), British comic book
- Sparky, super hero from the cartoon Static Shock
- "Sparky", song from Images (Brotherhood of Man album) (1977)
- Sparky, performing sea lion at the Como Zoo
- Referred to in Cardiacs song "Dog Like Sparky" on the album Sing To God Part 1(1995)