This list contains all the adverbs used in the English language that start with L. It includes negative and positive adverbs with L to describe a person.
| Labially | Laboredly | Laboriously |
| Labouredly | Lachrymosely | Lackadaisically |
| Lacklustrely | Laconically | Lacteally |
| Ladylike | Laggingly | Lagly |
| Laically | Lamellarly | Lamely |
| Lamentably | Lamentingly | Landward |
| Landwards | Languidly | Languishingly |
| Languorously | Lankly | Largely |
| Lasciviously | Last | Lastingly |
| Lastly | Late | Lately |
| Latently | Later | Laterad |
| Laterally | Latterly | Laudably |
| Lauditorily | Laughably | Laughingly |
| Lavishly | Lawfully | Lawlessly |
| Laxly | Lazily | Leadenly |
| Leadingly | Leanly | Leapingly |
| Learnedly | Least | Leastways |
| Leastwise | Lecherously | Leerily |
| Leeringly | Leeward | Left |
| Left-and-right | Left-handedly | Left-to-right |
| Leftward | Leftwardly | Legalistically |
| Legally | Legibly | Leisurably |
| Leisurely | Lengthily | Lengthwise |
| Leniently | Lentamente | Les |
| Less | Lethally | Lethargically |
| Levelly | Lewdly | Lexically |
| Libelously | Liberally | Libidinously |
| Licentiously | Licitly | Lief |
| Lifelessly | Lightfootedly | Lightheadedly |
| Lightheartedly | Lightly | Like |
| Likely | Likewise | Liltingly |
| Limberly | Limbmeal | Limitedly |
| Limpidly | Limpingly | Limply |
| Lineally | Linearly | Lingeringly |
| Lingually | Linguistically | Linking adverbs |
| Liquidly | Lispily | Lispingly |
| Lissomely | Listlessly | Literally |
| Literatim | Lithely | Little |
| Live | Livelily | Lively |
| Lividly | Livingly | Loathingly |
| Lobately | Locally | Loftily |
| Logically | Lollingly | Lonesomely |
| Long | Longest | Longingly |
| Longly | Long-sufferingly | Long-windedly |
| Longwise | Loosely | Lopsidedly |
| Loquaciously | Losingly | Lostly |
| Lot | Lots | Loud |
| Louder | Loudly | Lousily |
| Lovelily | Loverwise | Lovingly |
| Low | Lower | Loweringly |
| Lowlily | Lowly | Loyally |
| Lucidly | Luckily | Luculently |
| Ludicrously | Lugubriously | Lukewarmly |
| Lullingly | Lumberingly | Luminously |
| Luridly | Lusciously | Lushly |
| Lustfully | Lustily | Lustrelessly |
| Luxuriously | Lyingly | Lyrically |
