Sickert may refer to:

• Oswald Sickert (1828–1885), Danish-German artist, father of Walter Sickert
• Walter Sickert (1860–1942), German-English artist
• Sickert, Haut-Rhin, commune in the Haut-Rhin department in Alsace in north-eastern France

• Biysk (airport)
• Biysky Municipal District
• Biyun Chan Temple
• @biz
• Biz2credit
• Bizaah
• Bizaardvark
• Bizamqubaadh
• Bizantium and the Northern Islands
• Bizarda elegans
• Bizarda optima
• Bizariah
• Bizarre adventure
• Bizarre Adventure
• Bizarre Christmas Incident
• Bizarre Happenings Eyewitnessed in Two Decades
• Bizarre Happenings Eyewitnessed Over Two Decades
• Bizarre object
• Bizarro (DC Comics)
• Bizarros
• Bizarro (Six Flags Great Adventure)
• Bizarro (Six Flags New England)
• Bizarro (Supergirl)
• Bizarro's World
• Bizasène, Steve