One Swallow Does Not Make a Summer

{{about|the Swedish film|the proverb and associated fable|The Young Man and the Swallow}}

{{more citations needed|date=April 2019}}

{{Infobox film

| name = One Swallow Does Not Make a Summer

| image =

| caption =

| director = Hasse Ekman

| producer = Europafilm

| writer = Hasse Ekman

| starring = Eva Henning
Hasse Ekman
Sonja Wigert
Lauritz Falk

| music = Nathan Görling, Erik Baumann, Stig Holm

| released = {{Film date|1947|09|17|df=yes}}

| runtime = 88 min

| country = Sweden

| language = Swedish

}}

One Swallow Does Not Make a Summer ({{langx|sv|En fluga gör ingen sommar}}) is a 1947 Swedish comedy film directed by Hasse Ekman. The film starrs Eva Henning, Hasse Ekman, Sonja Wigert and Lauritz Falk.