Ruth Dennis Grover (1912–2003) was a painter and educator from Oregon[1] known for her landscapes and her abstract art.

[4] She was raised by her father in Detroit, Michigan, spending the summers with her mother in Oregon.

[1] Grover lived with her partner, the writer M. K. Wren (Martha Kay Renfroe), from the 1960s until her death in 2003.

She helped establish the Lincoln County Art Center, where she taught classes,[5] as well as the Cascade Artists where she served as director for a time.

[1] Grover has artworks in the collections of the Oregon Historical Society, Coos Art Museum, Erb Memorial Union (University of Oregon), and the Hallie Ford Museum of Art of Willamette University.