| BASIC soft. type-in |  Hamurabi | 1973 | DEC Digital Equipment Corp. |
| Bingo | Hawaii Model 970 | 1973 | Bally Mfg. Co. Chicago, IL, USA |
| BASIC soft. type-in | Hello | 1973 | DEC Digital Equipment Corp. |
| BASIC soft. type-in | Hexapawn | 1973 | DEC Digital Equipment Corp. |
| BASIC soft. type-in | Hi-Lo | 1973 | DEC Digital Equipment Corp. |
| Pinball | Hi-Lo Ace Model 981 | 1973 | Bally Mfg. Co. Chicago, IL, USA |
| BASIC soft. type-in | Hi-Q | 1973 | DEC Digital Equipment Corp. |
| Pinball | High Hand Model 349 | 1973 | Gottlieb & Co., D. Chicago, IL, USA |
| Arcade Video game | Hockey | 1973 | Ramtek Corp. Sunnyvale, CA, USA |
| Arcade Video game | Hockey | 1973 | Volly Industries, Ltd. Montpellier, Quebec, Canada |
| Arcade Video game | Hockey TV | 1973 | SEGA Enterprises, Ltd. Tokyo, Japan |
| BASIC soft. type-in | Horse Race | 1973 | DEC Digital Equipment Corp. |
| Pinball | Hot Shot Model 343 | 1973 | Gottlieb & Co., D. Chicago, IL, USA |
| BASIC soft. type-in | Hurkle | 1973 | DEC Digital Equipment Corp. |
| Pinball | Jack in the Box Model 339 | 1973 | Gottlieb & Co., D. Chicago, IL, USA |
| Slot Machine | Jackpots Galore Model 967 | 1973 | Bally Mfg. Co. Chicago, IL, USA |
| BASIC soft. type-in | Jotto | 1973 | Barsh & Kurkland |
| Pinball | Jubilee Model 416 | 1973 | Williams Mfg. Co. Chicago, IL, USA |
| Pinball | Jumping Jack Model 340 | 1973 | Gottlieb & Co., D. Chicago, IL, USA |
| Pinball | Jungle King | 1973 | RMG Renato Montanari Giochi Bologna, Italy |
| Pinball | Jungle King Model 354 | 1973 | Gottlieb & Co., D. Chicago, IL, USA |
| Pinball | Jungle Life Model 355A | 1973 | Gottlieb & Co., D. Chicago, IL, USA |
| Dedicated Console | Kanal-34 | 1973 | Unknown |
| BASIC soft. type-in | Kinema | 1973 | Huntington Computer Project |
| Pinball | King Pin Model 358 | 1973 | Gottlieb & Co., D. Chicago, IL, USA |
| Slot Machine | King Strike | 1973 | Brenco Weston-super-Mare, England |
| Gun game | Las Vegas Gallery | 1973 | For-Play Mfg. Co. Burbank, CA, USA |
| Slot Machine | Las Vegas Model 961 | 1973 | Bally Mfg. Co. Chicago, IL, USA |
| Gun game | Laser Clay Shooting System | 1973 | Nintendo Co., Ltd. Japan |
| Arcade Video game | Leader Model 575 | 1973 | Midway Mfg. Co. Schiller Park, IL, USA |
| BASIC soft. type-in | Letter - A Letter Guessing Game | 1973 | DEC Digital Equipment Corp. |
| BASIC soft. type-in | Life | 1973 | DEC Digital Equipment Corp. |
| BASIC soft. type-in | Life II | 1973 | DEC Digital Equipment Corp. |
| BASIC soft. type-in | Lit Qz | 1973 | DEC Digital Equipment Corp. |
| Pachinko | Little Rock | 1973 | Nishijin Japan |
| Arcade Video game |  Lo-Boy Leader Model 579 | 1973 | Midway Mfg. Co. Schiller Park, IL, USA |
| BASIC soft. type-in | Lost in the Caves | 1973 | People's Computer Co. |
| Pachinko | Lucky Suzume Tama | 1973 | Fuji Shogi Co., Ltd. Japan |
| Fruit Machine | Lucky Two's | 1973 | Bell-Fruit Mfg. Co., Ltd. B.F.M. UK |
| Coin-op Misc. game | Lunar Rescue | 1973 | SEGA Enterprises, Ltd. Tokyo, Japan |
