WSWD may refer to:

• WSWD-LP, a low-power radio station (103.9 FM) licensed to serve Tifton, Georgia, United States
• WREW, a radio station (94.9 FM) licensed to serve Fairfield, Ohio, United States, which held the call sign WSWD from 2006 to 2008 and in 2009

• Petrosal sinus
• Petros and Money Show
• Petrosaurus mearnsi
• Petros Avgerinos
• Petrosavia
• Petros Christo
• Petros Efthimiou
• Petroselinum crispum
• Petros Filaniotis
• Petros Filipidis
• Petro Shelest
• Petrosinella
• Petrosino
• Petrosino (disambiguation)
• Petrosix
• Petrosix process
• Petrosix retort
• Petros Konnafis
• Petros Kravaritis
• Petros Leventakos
• Petros Manos
• Petros Markaris
• Petrosomatoglyph
• Petros Passalis
• Petros (pelican)