WPD may refer to:
- Wichita Police Department, Kansas, United States
- Western Police District, former name of the Manila Police District
- Waurn Ponds railway station, in Victoria, Australia
- Wavelet packet decomposition, a signal processing model
- WebPlatform Docs, a Web standards collaboration
- Western Power Distribution, an electricity distributor in the UK
- World Poetry Day
- World Prematurity Day
- .wpd, a file name extension for WordPerfect word processing documents