Comet McNaught can refer to any one of more than 50 comets discovered by the astronomer Robert H. McNaught.
Long-period and single-apparition comets
Short-period comets
Others
"Comet McNaught" may also be an incomplete reference to a comet co-discovered by Robert McNaught. These include:
- Comet 319P/Catalina-McNaught (P/Catalina-McNaught 2008 S1, 2008 JK)
- Comet McNaught-Hartley, any of:
- 318P/McNaught-Hartley (P/1994 N2, P/2014 M6, 1994 XXXI, 1994n)
- X/1987 A2 (P/2013 Y3), later rediscovered as 449P/Leonard (P/2020 S6)
- C/1999 T1
- Comet McNaught-Hughes, either of:
- C/1990 M1 (1991 III, 1990g)
- 130P/McNaught-Hughes (130P/1991 S1, 1991 IX, 1991y, 130P/1997 H1)
- Comet McNaught-Russell, any of:
- C/1991 C3 (1990 XIX, 1991g)
- C/1991 Q1 (1992 XI, 1991v)
- C/1991 R1 (1990 XXII, 1991w)
- C/1993 Y1 (1994 XI, 1993v)
- P/1994 X1 (1994 XXIV, 1994u)
- Comet McNaught-Tritton (C/1978 G2, 1978 XXVII)
- Comet McNaught-Watson (C/1999 S2)