Comet Hartley is the name of ten comets discovered by Malcolm Hartley: 79P/du Toit–Hartley 80P/Peters–Hartley 100P/Hartley or Hartley 1 103P/Hartley or Hartley 2 110P/Hartley or Hartley 3 119P/Parker–Hartley 161P/Hartley–IRAS 318P/McNaught–Hartley C/1984 W2 (Hartley) C/1985 R1 (Hartley–Good) X/1987 A2 (McNaught–Hartley), later rediscovered as 449P/Leonard C/1995 Q2 (Hartley–Drinkwater) C/1999 T1 (McNaught–Hartley)
See also Hartley (disambiguation)