This is a list of butterflies of Tonga.
Hesperiidae
Coeliadinae Badamia exclamationis (Fabricius, 1775)
Pieridae
Coliadinae Eurema hecabe sulphurata (Butler, 1875) Eurema brigitta australis (Wallace, 1867)
Pierinae Appias athama manaia (Hopkins, 1927) Belenois java schmeltzi Hopkins, 1927
Lycaenidae
Theclinae Deudorix epijarbas armstrongi Hopkins, 1927
Polyommatinae 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)
Nymphalidae
Danainae Tirumala hamata angustata (Moore, 1883) Danaus plexippus plexippus (Linnaeus, 1758) Euploea tulliolus forsteri (C & R Felder, 1865) Euploea lewinii lewinii C & R Felder, 1865
Satyrinae Melanitis leda solandra (Fabricius, 1775)
Nymphalinae Doleschallia tongana tongana (Hopkins, 1927) Hypolimnas antilope lutescens (Butler, 1874) Hypolimnas bolina pallescens (Butler, 1874) Junonia villida villida (Fabricius, 1787)
Heliconiinae Vagrans egista bowdenia (M. R. Butler, 1874)
Acraeinae Acraea andromacha polynesiaca Rebel, 1910
References W.John Tennent: A checklist of the butterflies of Melanesia, Micronesia, Polynesia and some adjacent areas. Zootaxa 1178: 1-209 (21 Apr. 2006)