Comet Siding Spring, discoveries made at Siding Spring Observatory, may refer to: Periodic comets: 162P/Siding Spring () 389P/Siding Spring (P/2006 R1) 468P/Siding Spring (P/2004 V3) 487P/Siding Spring ()
Non-periodic comets: C/2004 T3
C/2007 K3 C/2007 Q3, which came to perihelion in 2009 C/2010 A4 C/2012 OP C/2013 A1, which made a close approach to Mars on 19 Oct 2014