Thornhill is a surname. Notable people with the surname include:

An evolutionary analysis of rules regulating human inbreeding and marriage
The evolution of insect mating systems.
Sexual Selection in Insects. (Book Reviews: The Evolution of Insect Mating Systems)
The evolution of human sexuality
Tumor necrosis factor combines with IL-4 or IFN-gamma to selectively enhance endothelial cell adhesiveness for T cells. The contribu...
Ureteral obstruction as a model of renal interstitial fibrosis and obstructive nephropathy
Cryptic Female Choice and Its Implications in the Scorpionfly Harpobittacus nigriceps
Bilateral symmetry and sexual selection: a meta-analysis.
Identification of cell types responsible for bone resorption in rheumatoid arthritis and juvenile rheumatoid arthritis.
Knowledge, innovation and firm performance in high- and low-technology regimes