Comet Leonard may refer to any of the comets discovered by Gregory J. Leonard below: Periodic comets Jupiter-family comets 396P/Leonard 449P/Leonard 486P/Leonard (Leonard) P/2021 L2 (Leonard)
Halley-type comets C/2017 W2 (Leonard) P/2017 Y3 (Leonard) P/2026 R2 (Leonard)
Non-periodic comets Near-parabolic comets C/2020 H4 (Leonard) C/2020 K3 (Leonard) C/2020 X4 (Leonard) C/2021 G1 (Leonard) C/2021 U4 (Leonard) C/2022 U1 (Leonard) C/2022 W3 (Leonard) C/2023 A1 (Leonard) C/2023 X1 (Leonard) C/2024 G5 (Leonard)
Parabolic and hyperbolic comets C/2021 A1 (Leonard) C/2022 K1 (Leonard) C/2022 R3 (Leonard) C/2023 V5 (Leonard) C/2026 H2 (Leonard)