| Birth Date: | 29 May 1889 |
| Birth Place: | Stockholm, Sweden |
| Death Date: | 1 January 1967 (aged 77) |
| Death Place: | Stockholm, Sweden |
| Sport: | Diving |
| Club: | Stockholms KK |
| Show-Medals: | yes |
Elsa Albertina Regnell (later Holmberg, 29 May 1889 – 1 January 1967) was a Swedish diver.[1] She competed in the 1912 Summer Olympics and finished fourth in the 10 m platform competition, behind her elder sister Lisa. Their brother Nils was an Olympic swimmer.