- Rhyparochromus nuristanicus (Kiritshenko, 1938)
- Rhyparochromus phoeniceus (Rossi, 1794)
- Rhyparochromus pini (Linnaeus, 1758)
- Rhyparochromus sanguineus (Douglas & Scott, 1868)
- Rhyparochromus simplex (Jakovlev, 1883)
- Rhyparochromus tisifone Linnavuori, 1990
- Rhyparochromus vulgaris (Schilling, 1829)
- Rhyparothesus dudgeoni (Distant, 1909)
- Rhyparothesus orientalis (Distant, 1903)
- Rhysostethus glabellus Hsiao, 1973
- Rhyssicoris Odhiambo, 1960
- Rhytidolomia Stål, 1872
- Ribautocapsus bruckii (Reuter, 1879)
- Ribesophylus Wagner, 1966
- Rihirbus sinicus Hsiao & Ren, 1981
- Rihirbus trochantericus Stål, 1861
- Riptortus (Riptortus) aegyptiacus Lindberg, 1939
- Riptortus (Riptortus) linearis (Fabricius, 1775)
- Riptortus (Riptortus) oxianus Kiritshenko, 1914
- Riptortus (Riptortus) parvus Hsiao, 1964
- Riptortus (Riptortus) pedestris (Fabricius, 1775)
- Riptortus (Riptortus) ryukyuensis Kikuhara, 2005
- Riptortus (Riptortus) tenuicornis (Dallas, 1852)
- Riptortus Stål, 1860
- Risbecocoris tomentosus Izzard, 1949
- Risibia christophi (Jakovlev, 1886)
- Risibia obscura (Jakovlev, 1880)
- Risibia verbasci Lodos & Önder, 1980
- Risibia xanthochila Horváth, 1888
- Rolstoniellus boutanicus (Dallas, 1849)
- Rolstoniellus malacanicus (Yang, 1935)
- Rolstoniellus neoexstimulatus (Yang, 1934)
- Rotundocoris obliquonotum Bai & Heiss, 2019
- Rotundocoris pyramidalis Bai & Heiss, 2020
- Rotundocoris stenonotum Bai & Heiss, 2019
- Roudairea atargatis Linnavuori, 1971
- Roudairea crassicornis Puton & Reuter, 1886
- Roudairea eckerleini Wagner, 1965
- Rubiconia intermedia (Wolff, 1811)
- Rubiconia peltata Jakovlev, 1890
- Rubrocuneocoris albescens Yasunaga, 2001
- Rubrocuneocoris quercicola Josifov, 1987
- Rubrocuneocoris wudingensis X.M. Li & G.Q. Liu, 2008
- Rubrodorsalium Stichel, 1944
- Rupisalda austrosinica Vinokurov, 2015
- Ruwaba glabriceps Linnavuori & Al-Né'amy, 1982
- Ryukyulygus Yasunaga, 1996
- Sabactiopus sauteri (Poppius, 1912)
- Sabaeus humeralis (Dallas, 1851)
- Sacculifer picticeps Kerzhner, 1959