Orthomorpha arboricola (Attems, 1937)
Orthomorpha asticta Likhitrakarn, Golovatch & Panha, 2010
Orthomorpha atypica Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha baliorum Golovatch, 1995
Orthomorpha banglangensis Golovatch, 1998
Orthomorpha beaumontii (Le Guillou, 1841)
Orthomorpha beroni Golovatch, 1997
Orthomorpha bipunctata (Sinclair, 1901)
Orthomorpha butteli Carl, 1922
Orthomorpha cambodjana (Attems, 1953)
Orthomorpha coarctata (De Saussure, 1860) (Alternately known as Asiomorpha coarctata)
Orthomorpha communis Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha conspicua (Pocock, 1894)
Orthomorpha crucifer (Pocock, 1889)
Orthomorpha elevata Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha enghoffi Likhitrakarn, Golovatch & Panha, 2010
Orthomorpha flaviventer (Attems, 1898)
Orthomorpha fluminoris Hoffman, 1977
Orthomorpha francisca Attems, 1930
Orthomorpha fuscocollaris Pocock, 1895
Orthomorpha gladiata Likhitrakarn, Golovatch, & Panha, 2014
Orthomorpha glandulosa (Attems, 1937)
Orthomorpha horologiformis Golovatch, 1998
Orthomorpha hydrobiologica Attems, 1930
Orthomorpha insularis Pocock, 1895
Orthomorpha isarankurai Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha karschi (Pocock, 1889)
Orthomorpha latiterga Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha lauta Golovatch, 1998
Orthomorpha melischi Golovatch, 1997
Orthomorpha mikrotropis Attems, 1898
Orthomorpha murphyi Hoffman, 1977
Orthomorpha parasericata Likhitrakarn, Golovatch & Panha, 2010
Orthomorpha paviei Brölemann, 1896
Orthomorpha picturata Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha pterygota Golovatch, 1998
Orthomorpha rotundicollis (Attems, 1937)
Orthomorpha scabra Jeekel, 1964
Orthomorpha sericata Jeekel, 1964
Orthomorpha similanensis Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha spiniformis Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha subelevata Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha suberecta Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha suberectoides Likhitrakarn, Golovatch, & Panha, 2014
Orthomorpha subkarschi Golovatch, 1998
Orthomorpha subsericata Golovatch, 1998
Orthomorpha subtuberculifera Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha sutchariti Likhitrakarn, Golovatch, & Panha, 2014
Orthomorpha tenuipes (Attems, 1898)
Orthomorpha thalebanica Golovatch, 1998
Orthomorpha tuberculifera Likhitrakarn, Golovatch, & Panha, 2011
Orthomorpha unicolor Attems, 1930
Orthomorpha weberi (Pocock, 1894)