| Pinball |  Joker | 1968 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Joker Wild | 1970 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Jokers Wild | 197? | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Jolly Joker Model 773 | 1965 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Jolly Taverner Model 774 | 1965 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Joust Model 849 | 1968 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Juicy Loot | 200? | Bally Mfg. Co. Chicago, IL, USA |
| Bowler | Jumbo Bowler Model J-110 | 1955 | Bally Mfg. Co. Chicago, IL, USA |
| Bowler | Jumbo Bowler Model J-325 | 1955 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Jumbo Model 29 | 1935 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Jumbo Model 999 | 1974 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Jumbo Payout Model 45 | 1935 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Jumbo Ticket Model 46 | 1935 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Keno | 200? | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Kentucky Derby | 1968 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Kentucky Star Model 518-A | 1949 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Kentucky Model 419 | 1941 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Kentucky Model 518 | 1949 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Key Lite | 1939 | Bally Mfg. Co. Chicago, IL, USA |
| Bingo | Key West Model 588 | 1956 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Kick Off Model 1055 | 1977 | Bally Mfg. Co. Chicago, IL, USA |
| Bowler | King Pin Bowler Model K-110 | 1955 | Bally Mfg. Co. Chicago, IL, USA |
| Bowler | King Pin Bowler Model K-325 | 1955 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | King Rex | 1969 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | King Tut | 1969 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | King's Crown | 200? | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | KISS Model 1152 | 1979 | Bally Mfg. Co. Chicago, IL, USA |
| Coin-op Misc. game | Klix | 193? | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Klondike | 1938 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Knockout Model 1028 | 1975 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | La Vie Parisienne | 1980 | Bally Mfg. Co. Chicago, IL, USA |
| Bingo | Laguna Beach Model 648 | 1960 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Las Vegas IV Model 1040 | 1976 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Las Vegas Model 1032 | 1974 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Las Vegas Model 1039-2 | 197? | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Las Vegas Model 1039 | 1976 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Las Vegas Model 842 | 1968 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | Las Vegas Model 961 | 1973 | Bally Mfg. Co. Chicago, IL, USA |
| Bally Astrocade type-in | Laser Duel | 1978 | Bally Mfg. Co. Chicago, IL, USA |
| Pinball | Lead Off Model 389 | 1940 | Bally Mfg. Co. Chicago, IL, USA |
