Aarnoud Jan Anne Aleid, Baron van Heemstra (22 July 1871 – 30 December 1957) was a Dutch nobleman, jurist and politician.

[2] Van Heemstra returned to the Arnhem region, and became editor-in-chief of Politiek Economisch Weekblad, a political economic magazine published until 1940.

In 1942, the German occupiers confiscated most of his possessions, including his estate Huis Zypendaal [nl].

[2] On 15 August 1942, his son-in-law Otto graaf van Limburg Stirum was executed in retaliation for a sabotage by the resistance movement.

They had six children:[2] In 1947, eight years after the death of his first wife, Van Heemstra married a second time, to Anna Eliza Roosenburg (1901–1988).