| Henry Allen | |
| Fullname: | Henry Albert Allen |
| Birth Date: | 1898 |
| Birth Place: | Hackney, England |
| Years2: | 1920–1921 |
| Years3: | 1923 |
| Years4: | 1924–1925 |
| Clubs5: | Grays Thurrock |
| Caps2: | 23 |
| Caps3: | 6 |
| Caps4: | 38 |
| Goals2: | 0 |
| Goals3: | 0 |
| Goals4: | 1 |
Henry Albert Allen (1898–1976) was an English professional footballer of the 1920s. Born in Hackney, he joined Gillingham from Southend United in 1923 and went on to make six appearances for the club in The Football League. He left to join Charlton Athletic in 1924.[1] [2]