Seleucus was the name of several Macedonian kings of the Seleucid dynasty ruling in the area of Syria.

• Seleucus I Nicator (Satrap 311 - 305 BC, King 305 BC - 281 BC)
• Seleucus II Callinicus (246 - 225 BC)
• Seleucus III Ceraunus (or Soter) (225 - 223 BC)
• Seleucus IV Philopator (187 - 175 BC)
• Seleucus V Philometor (126/125 BC)
• Seleucus VI Epiphanes Nicator (96 - 95 BC)
• Seleucus VII Kybiosaktes or Philometor (70s BC - 60s BC?)

as well as that of a Greek philosopher:

• Seleucus of Seleucia