| Kjeldevatnet | Vestland, Norway | 47 | 6 | 28 | 2023-09-14 | |
| Kjemsjøen | Innlandet, Norway | 2 | 2 | 0 | 1989-09-14 | |
| Kjerreidviken | Vestland, Norway | 1 | 1 | 0 | 2019-05-27 | |
| Kjøvangen | Akershus, Norway | 1 | 1 | 0 | 2006-08-23 | |
| Kolbjørnviksjøen | Østfold, Norway | 2 | 1 | 0 | 1990-08-29 | |
| Kolbotnvannet | Akershus, Norway | 1 | 1 | 0 | 1990-09-25 | |
| Koltjønna | Trøndelag, Norway | 5 | 1 | 0 | 1994-06-02 | |
| Korssjøen | Vestfold, Norway | 13 | 5 | 0 | 1997-09-09 | |
| Krossleitet | Vestland, Norway | 9 | 7 | 2 | 2023-07-05 | |
| Kruktjønna | Trøndelag, Norway | 2 | 1 | 0 | 1991-08-28 | |
| Krusetertjern | Østfold, Norway | 2 | 1 | 1 | 2019-05-13 | |
| Krussætertjern | Østfold, Norway | 3 | 1 | 0 | 2000-09-08 | |
| Kråkstad | Akershus, Norway | 6 | 6 | 0 | 2009-08-20 | |
| Kvernavatnet | Vestland, Norway | 1 | 1 | 1 | 2010-09-13 | |
| Kverndammen | Telemark, Norway | 1 | 1 | 0 | 1989-09-26 | |
| Kvitblikkvannet | Nordland, Norway | 12 | 5 | 0 | 1993-09-02 | |
| Laksådalsvatnet | Nordland, Norway | 4 | 2 | 0 | 1995-06-08 | |
| Langavatnet | Vestland, Norway | 2 | 2 | 0 | 1989-08-31 | |
| Langedalselva ved Karbø | Møre og Romsdal, Norway | 1 | 1 | 0 | 2021-06-01 | |
| Laupen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-27 | |
| Lauvtjønna | Trøndelag, Norway | 2 | 2 | 0 | 1989-09-14 | |
| Ledengstjern | Østfold, Norway | 1 | 1 | 0 | 1994-05-27 | |
| Leirkulp | Telemark, Norway | 6 | 4 | 0 | 2011-06-07 | |
| Lianvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-04 | |
| Liaset 1 hogstfelt 2010/11 | Møre og Romsdal, Norway | 5 | 4 | 5 | 2017-09-18 | |
| Liaset 2 hogstfelt 2012 | Møre og Romsdal, Norway | 1 | 1 | 0 | 2014-09-08 | |
| Liaset 2 hogstfelt 2017 | Møre og Romsdal, Norway | 2 | 2 | 2 | 2017-09-08 | |
| Liaset 3 Lauvskog | Møre og Romsdal, Norway | 1 | 1 | 0 | 2014-09-11 | |
| Liaset 4 Granskog på overside av veg | Møre og Romsdal, Norway | 1 | 1 | 1 | 2017-09-18 | |
| Liaset 4a Granskog nederst | Møre og Romsdal, Norway | 1 | 1 | 0 | 2014-09-11 | |
| Liavatnet | Vestland, Norway | 2 | 2 | 0 | 1994-09-14 | |
| Liavatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-19 | |
| Lille luktvann | Nordland, Norway | 1 | 1 | 0 | 1991-09-25 | |
| Lisselva | Trøndelag, Norway | 4 | 3 | 0 | 1999-09-13 | |
| Litjvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-08-14 | |
| Litjvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-14 | |
| Litlegjerde | Møre og Romsdal, Norway | 3 | 1 | 0 | 2005-06-07 | |
| Litlevatn | Møre og Romsdal, Norway | 2 | 1 | 0 | 1994-09-07 | |
| Litlvatnet | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Ljøbrekka | Møre og Romsdal, Norway | 129 | 9 | 91 | 2023-09-15 | |
| Ljøgodttjern | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 | |
| Loddefjordskogen | Vestland, Norway | 2 | 2 | 0 | 2010-09-10 | |
| Lomtjern | Østfold, Norway | 1 | 1 | 1 | 2017-05-04 | |
| Lomtjern | Østfold, Norway | 3 | 3 | 0 | 2017-05-16 | |
| Lomtjern | Østfold, Norway | 7 | 3 | 5 | 2019-05-13 | |
| Longvatnet | Rogaland, Norway | 7 | 3 | 0 | 1990-09-28 | |
| Lundarvatnet | Vestland, Norway | 1 | 1 | 0 | 1994-11-24 | |
| Lynghaugparken | Vestland, Norway | 1 | 1 | 1 | 2014-05-22 | |
| Lynghei/Myr nedanfor Vassivarhøyen | Vestland, Norway | 2 | 2 | 0 | 2006-08-21 | |
| Lyngmyr skole | Agder, Norway | 2 | 1 | 0 | 2023-09-13 | |
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