PYD

PYD or pyd may refer to:


 * "PYD" (song), a 2013 single by Justin Bieber
 * Democratic Union Party (Syria) (Partiya Yekîtiya Demokrat), a Kurdish Syrian political party
 * Pyrin domain (PYD), or the protein domain
 * Positive youth development
 * .pyd, a file extension for the Python programming language
 * Pyramid railway station, Australia