Ninth planet (disambiguation)

• 2 Pallas
• Donald A. Wollheim
• Eighth planet (disambiguation)
• Eleventh planet
• Fifth planet (disambiguation)
• First planet (disambiguation)
• Fourth planet (disambiguation)
• Jupiter
• Neptune
• Ninth planet
• Planet 9 (record label)
• Planet Nine
• Planet X (disambiguation)
• Pluto
• Second planet (disambiguation)
• Seventh planet (disambiguation)
• Sixth planet (disambiguation)
• Tenth planet (disambiguation)
• The Secret of the Ninth Planet
• Third planet (disambiguation)
• Twelfth planet (disambiguation)