Sedov may refer to:

• STS Sedov, a sail training ship
• Sedov (surname)
• Georgiy Sedov (icebreaker)
• 2785 Sedov, an asteroid
• Cape Sedov, an Antarctic ice cape

• Ptolemy Apion
• Ptolemy Auletes
• Ptolemy Ceraunos
• Ptolemy Ceraunus
• Ptolemy Epiphanes
• Ptolemy Euergetes
• Ptolemy Eupator
• Ptolemy (gnostic)
• Ptolemy I
• Ptolemy II
• Ptolemy III
• Ptolemy III Euergetes
• Ptolemy II of Egypt
• Ptolemy II Philadelphus
• Ptolemy I of Egypt
• Ptolemy I Soter
• Ptolemy IV
• Ptolemy IV Philopator
• Ptolemy IX
• Ptolemy IX Lathyros
• Ptolemy IX Soter II
• Ptolemy Keraunos
• Ptolemy map
• Ptolemy (name)
• Ptolemy of Mauretania