Myrcia sintenisiana (synonym Marlierea sintenisii) is a species of flowering plant in the family Myrtaceae.

[2] It is endemic to Puerto Rico,[2] where it is limited to the Luquillo Mountains.

[1] It occurs in El Yunque National Forest in dwarf forest habitat[3] on wet mountain ridges.

New twigs are coated in reddish brown hairs, and older branches are bare and gray.

Hairy flowers grow in clusters.