Syd
Syd or SYD may refer to:
- Syd (name), including a list of people with the nameSyd., taxonomic author abbreviation of Hans Sydow, German mycologist
- Sydney, New South Wales, Australia
- * IATA code for Sydney Airport, New South Wales, Australia
- * Syd the platypus, a mascot of the Sydney 2000 Olympic games
- * Sydney FC, professional soccer club
- Syd (singer), an American singer-songwriter
- National Rail station code for Sydenham railway station (London), London, England
- Stonewall Young Democrats, a young gay democratic club based out of Los Angeles, California
- Sum-of-Years' Digits, an accounting, economics, and financial depreciation methodSaw You DrownSeitokai Yakuindomo, a Japanese manga and anime series by Tozen Ujiie