Saturn has 33 known moons. Titan is the planet's largest moon. Of the nine planets in our solar system, only Mercury and Venus have no moons. Here are the planets with the most known moons.
1. Jupiter: 63 moons
2. Saturn: 33 moons
3. Uranus: 27 moons
4. Neptune: 13 moons
5. Mars: 2 moons
Source: NASA