Syder may refer to:
Name
As a given name
Syder Nnodim (1992–1993), Nigerian politician
As a surname
Branca de Gonta Colaço (1880–1945), Portuguese writer whose full name is Branca Eva de Gonta Syder Ribeiro Colaço Daniel Syder (–1705), Italian painter Jim Syder Jr. (1911–1972), English greyhound trainer Jim Syder Sr. (1880–1945), English greyhound trainer and father of Jim Syder Jr. Martim Syder (born 1995), Portuguese politician
Places
Sierre, a municipality in Valais, Switzerland, that was formerly known as Syder
See also
Cider Sider Snyder (surname) Sydor