This is a list of butterflies of Tonga.

• Badamia exclamationis (Fabricius, 1775)

• Eurema hecabe sulphurata (Butler, 1875)
• Eurema brigitta australis (Wallace, 1867)

• Appias athama manaia (Hopkins, 1927)
• Belenois java schmeltzi Hopkins, 1927

• Deudorix epijarbas armstrongi Hopkins, 1927

• Jamides morphoides Butler, 1884
• Jamides carissima thomasi Miller & Miller, 1993
• Catochrysops taitensis hopkinsi Miller & Miller, 1993
• Lampides boeticus (Linnaeus, 1767)
• Famegana alsulus lulu (Mathew, 1889)
• Zizina labradus mangoensis (Butler, 1884)
• Euchrysops cnejus samoa (Herrich-Schaeffer, 1869)

• Tirumala hamata angustata (Moore, 1883)
• Danaus plexippus plexippus (Linnaeus, 1758)
• Euploea tulliolus forsteri (C & R Felder, 1865)
• Euploea lewinii lewinii C & R Felder, 1865

• Melanitis leda solandra (Fabricius, 1775)

• Doleschallia tongana tongana (Hopkins, 1927)
• Hypolimnas antilope lutescens (Butler, 1874)
• Hypolimnas bolina pallescens (Butler, 1874)
• Junonia villida villida (Fabricius, 1787)

• Vagrans egista bowdenia (M. R. Butler, 1874)

• Acraea andromacha polynesiaca Rebel, 1910

• W.John Tennent: A checklist of the butterflies of Melanesia, Micronesia, Polynesia and some adjacent areas. Zootaxa 1178: 1-209 (21 Apr. 2006)