Here are the Known Moons in Earth's Solar System. A moon is what is called a natural satellite and we know of about 297 moons from planets and dwarf planets.
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​Moons are different from asteroids and objects that got there own treasury here.
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Mercury: None Known
​
​Venus: None Known
​
​Earth: 1 Known
​~ Moon
​
​Mars: 2 Known
​~ Phobos
​~ Deimos
​
​Jupiter: 95 Known
​~ Io
~ Europa
~ Ganymede
~ Callisto
~ Amalthea
~ Himalia
~ Elara
~ Pasiphae
~ Sinope
~ Lysithea
~ Carme
~ Ananke
~ Leda
~ Thebe
~ Adrastea
~ Metis 
~ Callirrhoe
~ Themisto
~ Megaclite
~ Taygete
~ Chaldene
~ Harpalyke
~ Kalyke
~ Iocaste
~ Erinome
~ Isonoe
~ Praxidike
~ Autonoe
~ Thyone
~ Hermippe
~ Aitne
~ Eurydome
~ Euanthe
~ Euporie
~ Orthosie
~ Sponde
~ Kale
~ Pasithee
~ Hegemone
~ Mneme
~ Aoede
~ Thelxinoe
~ Arche
~ Kallichore
~ Helike
~ Carpo
~ Eukelade
~ Cyllene
~ Kore
~ Herse
~ S/2010 J1 - coo names only
~ S/2010 J2 - also coo
~ Dia
~ S/2016 J1
~ S/2016 J18
~ S/2011 J2
~ Eirene
~ Philophrosyne
~ S/2017 J1
~ Eupheme
~ S/2003 J19
~ Valetudo
~ S/2017 J2
~ S/2017 J3
~ Pandia
~ S/2017 J5
~ S/2017 J6
~ S/2017 J7
~ S/2017 J8
~ S/2017 J9
~ Ersa
~ S/2011 J1
~ S/2003 J2
~ S/2003 J4
~ S/2003 J9
~ S/2003 J10
~ S/2003 J12
~ S/2003 J16
~ S/2003 J23
~ S/2003 J24
~ S/2011 J3
~ S/2016 J3
~ S/2016 J4
~ S/2018 J2
~ S/2018 J3
~ S/2018 J4
~ S/2021 J1
~ S/2021 J2
~ S/2021 J3
~ S/2021 J4
~ S/2021 J5
~ S/2021 J6
~ S/2022 J1
~ S/2022 J2
~ S/2022 J3

Saturn: 146 Known
~ Mimas
~ Enceladus
~ Tethys
~ Dione
~ Rhea
~ Titan
~ Hyperion
~ Iapetus
~ Phoebe
~ Janus
~ Epimetheus
~ Helene
~ Telesto
~ Calypso
~ Atlas
~ Prometheus
~ Pandora
~ Pan
~ Ymir
~ Paaliaq
~ Tarvos
~ Ijiraq
~ Suttungr
~ Kiviuq
~ Mundilfari
~ Albiorix
~ Skathi
~ Erriapus
~ Siarnaq
~ Thrymr
~ Narvi
~ Methone
~ Pallene
~ Polydeuces
~ Daphnis
~ Aegir
~ Bebhionn
~ Bergelmir
~ Bestla
~ Farbauti
~ Fenrir
~ Fornjot
~ Hati
~ Hyrrokkin
~ Kari
~ Loge
~ Skoll
~ Surtur
~ Anthe
~ Jarnsaxa
~ Greip
~ Tarqeq
~ Aegaeon
~ Gridr
~ Angrboda
~ Skrymir
~ Gerd
~ S/2004 S26
~ Eggther
~ S/2004 S29
~ Beli
~ Gunnlod
~ Thiazzi
~ S/2004 S34
~ Alvaldi
~ Geirrod
~ S/2004 S7
~ S/2004 S12
~ S/2004 S12
~ S/2004 S17
~ S/2004 S21
~ S/2004 S24
~ S/2004 S28
~ S/2004 S31
~ S/2004 S36
~ S/2004 S37
~ S/2004 S39
~ S/2004 S40
~ S/2004 S41
~ S/2004 S42
~ S/2004 S43
~ S/2004 S44
~ S/2004 S45
~ S/2004 S46
~ S/2004 S47
~ S/2004 S48
~ S/2004 S49
~ S/2004 S50
~ S/2004 S51
~ S/2004 S52
~ S/2004 S53
~ S/2005 S4
~ S/2005 S5
~ S/2006 S1
~ S/2006 S3
~ S/2006 S9
~ S/2006 S10
~ S/2006 S11
~ S/2006 S12
~ S/2006 S13
~ S/2006 S14
~ S/2006 S15
~ S/2006 S16
~ S/2006 S17
~ S/2006 S18
~ S/2006 S19
~ S/2006 S20
~ S/2007 S2
~ S/2007 S3
~ S/2007 S5
~ S/2007 S6
~ S/2007 S7
~ S/2007 S8
~ S/2007 S9
~ S/2009 S1
~ S/2019 S1
~ S/2019 S2
~ S/2019 S3
~ S/2019 S4
~ S/2019 S5
~ S/2019 S6
~ S/2019 S7
~ S/2019 S8
~ S/2019 S9
~ S/2019 S10
~ S/2019 S11
~ S/2019 S12
~ S/2019 S13
~ S/2019 S14
~ S/2019 S15
~ S/2019 S16
~ S/2019 S17
~ S/2019 S18
~ S/2019 S19
~ S/2019 S20
~ S/2019 S21
~ S/2020 S1
~ S/2020 S2
~ S/2020 S3
~ S/2020 S4
~ S/2020 S5
~ S/2020 S6
~ S/2020 S7
~ S/2020 S8
~ S/2020 S9
~ S/2020 S10


Uranus: 27 Known
~ Ariel
~ Umbriel
~ Titania
~ Oberon
~ Miranda
~ Cordelia
~ Ophelia
~ Bianca
~ Cressida
~ Desdemona
~ Juliet
~ Portia
~ Rosalind
~ Belinda
~ Puck
~ Caliban
~ Sycorax
~ Prospero
~ Setebos
~ Stephano
~ Trinculo
~ Francisco
~ Margaret
~ Ferdinand
~ Perdita
~ Mab
~ Cupid


Neptune: 14 Known
~ Triton
~ Nereid
~ Naiad
~ Thalassa
~ Despina
~ Galatea
~ Larissa
~ Proteus
~ Halimede
~ Psamathe
~ Sao
~ Laomedeia
~ Neso
~ Hippocamp


Dwarf Planets

Orcus: 1 Known
~ Vanth

2003 AZ84: 1 Known
~ S/2005 (208996) 1

Pluto: 5 Known
~ Charon
~ Nix
~ Hydra
~ Kerberos
~ Styx

Huya: 1 Known
~ S/2012 (38628) 1

Salacia: 1 Known
~ Actaea

2002 UX25: 1 Known
~ S/2005 (55637) 1

Haumea: 2 Known
~ Hiʻiaka
~ Namaka

Quaoar: 1 Known
~ Weywot

Makemake: 1 Known
~ S/2015 (136472) 1

Varda: 1 Known
~ Ilmarë

2013 FY27: 1 Known
~ S/2018 (532037) 1

Gonggong: 1 Known
~ Xiangliu

Eris: 1 Known
~ Dysnomia