| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Phyllonorycter kenora | (Freeman, 1970) | species | Synonym | ||
| Phyllonorycter kisoensis | Kumata & Park, 1978 | species | Accepted | ||
| Phyllonorycter kleemanella | (Panzer, 1799) | species | Misapplied | ||
| Phyllonorycter kleemannella | (Zeller, 1839) | species | Misapplied | ||
| Phyllonorycter klemanella | (Haworth, 1828) | species | Misapplied | ||
| Phyllonorycter klemannella | (Fabricius, 1781) | species | Accepted | ||
| Phyllonorycter klemannelle | (de Villers, 1789) | species | Misapplied | ||
| Phyllonorycter klimeschiella | (Deschka, 1970) | species | Accepted | ||
| Phyllonorycter koreana | Kumata & Park, 1978 | species | Accepted | ||
| Phyllonorycter kuhlweinella | (Stainton, 1848) | species | Misapplied | ||
| Phyllonorycter kuhlweiniella | (Zeller, 1839) | species | Accepted | ||
| Phyllonorycter kumatai | De Prins & De Prins, 2005 | species | Accepted | ||
| Phyllonorycter kurokoi | (Kumata, 1963) | species | Accepted | ||
| Phyllonorycter kusdasi | (Deschka, 1970) | species | Accepted | ||
| Phyllonorycter kuznetzovi | (Ermolaev, 1982) | species | Accepted | ||
| Phyllonorycter laciniatae | (Kumata, 1967) | species | Accepted | ||
| Phyllonorycter lalagella | (Newman, 1856) | species | Accepted | ||
| Phyllonorycter lantanae | (Vári, 1961) | species | Accepted | ||
| Phyllonorycter lantanella | (Schrank, 1802) | species | Accepted | ||
| Phyllonorycter lanthanella | Mineo & Sinacori, 1998 | species | Misapplied | ||
| Phyllonorycter lapadiella | (Krone, 1909) | species | Accepted | ||
| Phyllonorycter latus | Davis & Deschka, 2001 | species | Accepted | ||
| Phyllonorycter laurocerasi | (Kuznetzov, 1979) | species | Accepted | ||
| Phyllonorycter lautella | (Zeller, 1846) | species | Accepted | ||
| Phyllonorycter ledella | (Walsingham, 1889) | species | Accepted |