Wikstroemia pseudoretusa is a species of flowering plant in the family Thymelaeaceae that is endemic to the Bonin Islands, Tōkyō Metropolis, Japan.

[1][2] The species was first described by Japanese botanist Gen-ichi Koidzumi in 1919.

[1] Koidzumi noted its closeness to Wikstroemia retusa.

[1] Wikstroemia pseudoretusa seeds an important part of the diet of the Ogaswara greenfinch.

[3][4] Wikstroemia pseudoretusa is classed as Near Threatened on the Ministry of the Environment Red List.