| Björn Alkeby | |
| Fullname: | Lennart Björn Alkeby |
| Birth Date: | 17 July 1952 |
| Position: | Goalkeeper |
| Youthclubs1: | Danderyds SK |
| Youthclubs2: | Djurgårdens IF |
| Years1: | 1971–1982 |
| Clubs1: | Djurgårdens IF |
| Caps1: | 265 |
| Goals1: | 0 |
| Years2: | 1993 |
| Clubs2: | Djurgårdens IF |
| Caps2: | 1 |
| Goals2: | 0 |
| Nationalyears1: | 1972–1975 |
| Nationalteam1: | Sweden U23 |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 0 |
Lennart Björn Alkeby (17 July 1952[1] –) is a Swedish former footballer (goalkeeper).
Alkeby made his Djurgården debut in the 1971 Allsvenskan in a match against Örgryte IS.[2] He ended his career in 1982, but made an appearance in the 1993 Division 1 Norra at the age of 41 for Djurgården when Djurgården's keepers were injured.[3]