Platynectes is a genus of beetles in the family Dytiscidae, containing the following species:
Platynectes aenescens Sharp, 1882
Platynectes ambonensis Hendrich & Balke, 2000
Platynectes australicus Guéorguiev, 1972
Platynectes babai Satô, 1982
Platynectes bakewelli (Clark, 1863)
Platynectes beroni Guéorguiev, 1978
Platynectes brownei Guéorguiev, 1972
Platynectes buruensis Zimmermann, 1925
Platynectes chapmani Guéorguiev, 1978
Platynectes chujoi Satô, 1982
Platynectes darlingtoni Guéorguiev, 1972
Platynectes decastigma Régimbart, 1899
Platynectes decemnotatus (Aubé, 1838)
Platynectes decempunctatus (Fabricius, 1775)
Platynectes deletus Régimbart, 1899
Platynectes dissimilis (Sharp, 1873)
Platynectes gemellatus Stastný, 2003
Platynectes gigas Hendrich & Balke, 2000
Platynectes hainanensis Nilsson, 1998
Platynectes jaechi Hendrich & Balke, 2000
Platynectes javanus Nilsson, 1998
Platynectes kashmiranus J.Balfour-Browne, 1944
Platynectes laurianus Watts, 1978
Platynectes magellanicus (Babington, 1841)
Platynectes major Nilsson, 1998
Platynectes manusela Hendrich & Balke, 2000
Platynectes mazzoldii Stastný, 2003
Platynectes moluccensis Hendrich & Balke, 2000
Platynectes monostigma (Hope, 1841)
Platynectes nanlingensis Stastný, 2003
Platynectes neoguineensis Guéorguiev & Rocchi, 1993
Platynectes nigerrimus (Aubé, 1838)
Platynectes octodecimmaculatus (W.S.Macleay, 1825)
Platynectes ornatifrons Sharp, 1882
Platynectes parananus Sharp, 1882
Platynectes ranongensis Nilsson, 1998
Platynectes reticulosus (Clark, 1863)
Platynectes rihai Stastný, 2003
Platynectes rodriguezi Severin, 1890
Platynectes semperi Régimbart, 1899
Platynectes submaculatus (Laporte, 1835)
Platynectes tasmaniae (Clark, 1863)
Platynectes undecimguttatus (Aubé, 1838)
Platynectes wewalkai Stastný, 2003
