 | Koi no Hotrock (Japan) (clone of: rockrage) | 1986 | Konami | rockragej | | 0.00 |
 | Kyohkoh-Toppa (Japan) (clone of: brkthru) | 1986 | Data East Corporation | brkthruj | Shooter / Driving Horizontal | 0.00 |
 | Kyros No Yakata (Japan) (clone of: kyros) | 1986 | Alpha Denshi Co. | kyrosj | Fighter / Vertical | 0.00 |
| | L'Hexagone | 1986 | Christian Tabart (France) | hexagone | | 0.00 |
| | Lady Luck | 1986 | Bally | ladyluck | | 0.00 |
 | Land Sea Air Squad / Riku Kai Kuu Saizensen | 1986 | Taito | lsasquad | Shooter / Misc. Vertical | 7.00 |
| | Lap By Lap | 1986 | Inder | lapbylap | | 0.00 |
 | Last Mission (Japan) (clone of: lastmisn) | 1986 | Data East Corporation | lastmisnj | | 0.00 |
| Last Mission (US revision 5) (clone of: lastmisn) | 1986 | Data East USA | lastmisno | | 0.00 |
| Last Mission (US revision 6) | 1986 | Data East USA | lastmisn | Shooter / Field | 8.00 |
 | Legend | 1986 | Sega / Coreland | legend | Fighter / 2D | 5.25 |
 | Legendary Wings (bootleg) (clone of: lwings) | 1986 | bootleg | lwingsb | | 0.00 |
| Legendary Wings (US set 1) | 1986 | Capcom | lwings | Shooter / Flying Vertical | 6.20 |
| Legendary Wings (US set 2) (clone of: lwings) | 1986 | Capcom | lwings2 | Shooter / Flying Vertical | 0.00 |
| Legion (bootleg of Legend) (clone of: legend) | 1986 | bootleg | legendb | | 0.00 |
 | Lifeforce (US) (clone of: salamand) | 1986 | Konami | lifefrce | Shooter / Flying | 0.00 |
| | Lock-On (rev. C) (clone of: lockon) | 1986 | Tatsumi | lockonc | | 0.00 |
| | Lock-On (rev. E) | 1986 | Tatsumi | lockon | | 6.80 |
 | Lode Runner IV - Teikoku Karano Dasshutsu | 1986 | Irem (licensed from Broderbund) | ldrun4 | Platform / Run Jump | 6.33 |
| | Lucky Cards (Dutch) (System 85) | 1986 | BFM/ELAM | b85lucky | | 0.00 |
