Adolphus Frederick V (German: Adolf Friedrich V; 22 July 1848 – 11 June 1914) was reigning grand duke of Mecklenburg-Strelitz from 1904 to 1914.

Adolphus Frederick took part in the Franco-Prussian war and represented his father at the proclamation of King William I of Prussia as German Emperor at Versailles.

In his attempt to create a constitution he offered to pay $2,500,000 to the national treasury if the nobles and land-owning classes dropped their opposition.

[4] In January 1914, Adolphus Frederick was reported to be the second richest person in Germany after the Emperor William II with a fortune of $88,750,000.

His mother commented on his wife, "She welters in happiness at her luxurious "Schloss" wearing a new Paris dress daily, Diamonds, also, when we are quite entre nous - Yes, she does enjoy being a Grand Duchess!