Konstantinos "Costas" Meghir (Greek: Κωνσταντίνος (Κώστας) Εκτώρ Δημήτριος Μεγήρ, transcr. Konstantinos Ektor Dimitrios Meghir, born February 13, 1959) is a Greek-British economist. He studied at the University of Manchester where he graduated with a Ph.D. in 1985, following an MA in economics (with Distinction) in 1980 and a BA (with Honors) in Economics and Econometrics in 1979. In 1997 he was awarded the Bodosakis foundation prize and in 2000 he was awarded the “Ragnar Frisch Medal” for his article “Estimating Labour Supply Responses using Tax Reforms” (Econometrica, 1998, Vol. 66, No. 4, with Richard Blundell and Alan Duncan).