Stroma may refer to:

Biology Stroma (tissue), the connective, functionally supportive framework of a biological cell, tissue, or organ (in contrast, the parenchyma is the functional aspect of a tissue) Stroma of ovary, a soft tissue, well supplied with blood, consisting of spindle-shaped cells with a small amount of connective tissue Stroma of iris, fibres and cells in the iris Stroma of cornea, plates of collagen fibrils in the cornea Lymph node stromal cell, cells which provide a scaffold for other lymph node cells Stroma of bone marrow Stroma (fungus), a tissue structure of some ascomycete mushrooms Stroma (fluid), the fluid between grana, where carbohydrate-forming reactions occur in the chloroplasts of photosynthetic plant cells Stromal cell, a connective tissue cell of any organ; supports the function of the parenchyma The nonmalignant cells which are present in the tumor microenvironment; see

People Freddie Stroma (born 1987), British actor known for playing Cormac McLaggen in Harry Potter and the Half-Blood Prince Stroma Buttrose (born 1929), Australian architect

Other Stroma (musical group), a New Zealand chamber music ensemble Stroma, Scotland, a now uninhabited island off the northern coast of Scotland

See also Stromae (born 1985), Belgian singer Struma (disambiguation) Stromatolite, layered sedimentary structure formed by the growth of bacteria or algae Stromer (disambiguation)