| English | English ryegrass | | | 1 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| English | perennial ryegrass | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| Afrikaans | meerjarige raaigras | | | 2 | Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12 |
| Arabic | gazun | | | 2 | Boulos, L. & M. N. El-Hadidi. 1984. The weeds of Egypt. |
| English (Canada) | perennial rye grass | | Agriculture & Agri-Food Canada official name | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 30. |
| French | ivraie vivace | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| French | ray-grass anglais | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| French (Canada) | ivraie vivace | | Agriculture & Agroalimentaire Canada nom officiel | 2 | Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 30. |
| German | deutsches Weidelgras | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| German | englisches Raygras | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Italian | loglio perenne | | | 2 | International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2. |
| Japanese Rōmaji | hoso-mugi | | | 2 | Ohwi, J. 1965. Flora of Japan (Engl. ed.). |
| Portuguese | azevém-vivaz | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Portuguese | lólio-perenne | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | ballico perenne | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | césped inglés | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | raygras | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Swedish | engelskt rajgräs | | | 2 | Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) |
| Transcribed Chinese | hei mai cao | | | 2 | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| Transcribed Korean | homilpul | | | 2 | Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:106. |