Comet ATLAS may refer to any comets below discovered by the Asteroid Terrestrial-impact Last Alert System survey. The interstellar comet can be found at 3I/ATLAS (C/2025 N1).
Periodic comets




Encke-type Comets
Jupiter-family comets
Halley-type comets
Non-periodic comets
Long-period comets


Near-parabolic comets




- C/2015 X7 (ATLAS)
- C/2017 D3 (ATLAS)
- C/2017 M4 (ATLAS)
- C/2017 T3 (ATLAS)
- C/2018 A3 (ATLAS)
- C/2018 L2 (ATLAS)
- C/2019 C1 (ATLAS)
- C/2019 E3 (ATLAS)
- C/2019 JU6 (ATLAS)
- C/2019 J3 (ATLAS)
- C/2019 K1 (ATLAS)
- C/2019 K8 (ATLAS)
- C/2019 L3 (ATLAS)
- C/2019 M3 (ATLAS)
- C/2019 N1 (ATLAS)
- C/2019 T3 (ATLAS)
- C/2019 T4 (ATLAS)
- C/2019 Y1 (ATLAS)
- C/2019 Y4 (ATLAS)
- C/2020 A3 (ATLAS)
- C/2020 F2 (ATLAS)
- C/2020 H6 (ATLAS)
- C/2020 M5 (ATLAS)
- C/2020 N2 (ATLAS)
- C/2020 P3 (ATLAS)
- C/2020 R7 (ATLAS)
- C/2020 Y2 (ATLAS)
- C/2020 Y3 (ATLAS)
- C/2021 C4 (ATLAS)
- C/2021 G2 (ATLAS)
- C/2021 P4 (ATLAS)
- C/2021 S1 (ATLAS)
- C/2021 Y1 (ATLAS)
- C/2022 E2 (ATLAS)
- C/2022 F1 (ATLAS)
- C/2022 L2 (ATLAS)
- C/2022 O1 (ATLAS)
- C/2022 QE78 (ATLAS)
- C/2022 R2 (ATLAS)
- C/2022 W2 (ATLAS)
- C/2023 B2 (ATLAS)
- C/2023 C2 (ATLAS)
- C/2023 F3 (ATLAS)
- C/2023 K1 (ATLAS)
- C/2023 S2 (ATLAS)
- C/2024 A1 (ATLAS)
- C/2024 G2 (ATLAS)
- C/2024 G3 (ATLAS), also known as the Great Comet of 2025
- C/2024 G6 (ATLAS)
- C/2024 G7 (ATLAS)
- C/2024 J3 (ATLAS)
- C/2024 T5 (ATLAS)
- C/2024 X2 (ATLAS)
- C/2025 D6 (ATLAS)
- C/2025 F1 (ATLAS)
- C/2025 K1 (ATLAS), fragmenting comet in Nov/Dec 2025
- C/2025 L1 (ATLAS)
- C/2025 N2 (ATLAS)
- C/2025 Q3 (ATLAS)
- C/2025 R1 (ATLAS)
- C/2025 R3 (ATLAS)
- C/2025 T1 (ATLAS)
Hyperbolic comets
- C/2024 L5 (ATLAS), a comet that made a close encounter with Saturn in 2022
Interstellar objects

- 3I/ATLAS (C/2025 N1), the third known interstellar object ever discovered passing through the Solar System
Others

"Comet ATLAS" may also be an incomplete reference to a comet co-discovered by the Asteroid Terrestrial-impact Last Alert System survey. These include:
- C/2019 F1 (ATLAS–Africano)
- C/2020 K8 (Catalina–ATLAS)
- C/2022 A3 (Lemmon–ATLAS)
- C/2023 A3 (Tsuchinshan–ATLAS), also known as the Great Comet of 2024