| Ángel Labruna | ARG | 1963/64 | 0 | 0 | 0 | 0 | 0 | 0 | River Plate | | |
| Bruno Lage | POR | 2024/25 | 1 | 0 | 0 | 1 | 0 | 2 | Benfica Lisbona | | |
| Hugo Lamanna | ARG | 1954/55 | 0 | 0 | 0 | 0 | 0 | 0 | Como | | |
| Graziano Landoni | ITA | 1974/75 | 0 | 0 | 0 | 0 | 0 | 0 | Arezzo | | |
| Hans Larsen | DAN | 1986/87 | 0 | 0 | 0 | 0 | 0 | 0 | Frem | | |
| Hanspeter Latour | SVI | 2002/03 | 0 | 0 | 0 | 0 | 0 | 0 | Thun FC | | |
| Udo Lattek | GER | 1975/76 | 2 | 0 | 1 | 1 | 2 | 4 | Borussia Mönchengladbach | | |
| Sebastião Lazaroni | BRA | 1990/91 | 5 | 4 | 0 | 1 | 6 | 2 | Fiorentina, Fenerbahçe | | |
| Paul Le Guen | FRA | 1999/00 | 2 | 1 | 1 | 0 | 4 | 2 | Rennes | | |
| Claude Le Roy | FRA | 1991/92 | 0 | 0 | 0 | 0 | 0 | 0 | Senegal | | |
| Lucien Leduc | FRA | 1965/66 | 2 | 0 | 2 | 0 | 2 | 2 | Servette, Paris Saint-Germain | | |
| Gyula Lelovics | UNG | 1930/31 | 10 | 5 | 3 | 2 | 16 | 13 | Bologna, Livorno, Palermo | | |
| Panagiotis Lemonis | GRE | 2002/03 | 2 | 2 | 0 | 0 | 4 | 0 | Olympiacos Pireo | | |
| Neil Lennon | IRN | 2012/13 | 2 | 2 | 0 | 0 | 5 | 0 | Celtic Glasgow | | |
| Leonardo de Araújo | BRA | 2009/10 | 3 | 1 | 0 | 2 | 1 | 6 | Milan, Inter | | |
| Pietro Leone | ITA | 1934/35 | 1 | 1 | 0 | 0 | 3 | 0 | Pro Vercelli | | |
| Severino Leotta | ITA | 1982/83 | 1 | 1 | 0 | 0 | 2 | 1 | Catanzaro | | |
| Roberto Lerici | ITA | 1957/58 | 9 | 6 | 0 | 3 | 18 | 9 | LR Vicenza | | |
| Virgilio Levratto | ITA | 1962/63 | 0 | 0 | 0 | 0 | 0 | 0 | Cuneo | | |
| Elisha Levy | ISR | 2009/10 | 2 | 2 | 0 | 0 | 2 | 0 | Maccabi Haifa | | |
| Josef Liebhart | AUT | 1928/29 | 2 | 1 | 1 | 0 | 3 | 1 | Biellese | | |
| Nils Liedholm | SVE | 1963/64 | 52 | 19 | 19 | 14 | 61 | 51 | Milan, Varese, Fiorentina, Roma, Hellas Verona | | |
| Leslie Lievesley | ING | 1948/49 | 1 | 0 | 0 | 1 | 1 | 2 | Torino | | |
| Francesco Liguori | ITA | 1981/82 | 3 | 1 | 2 | 0 | 5 | 0 | Bologna, Sambenedettese, Casertana, Palermo | | |
| Marcello Lippi | ITA | 1989/90 | 9 | 4 | 4 | 1 | 12 | 7 | Cesena, Atalanta, Napoli, Inter | |  |
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