Henry Farrell is an Irish-born political scientist at Johns Hopkins University.

His research interests include, trust and co-operation; E-commerce; the European Union; and institutional theory.

[1] A major contribution has been in his work with Abraham Newman on weaponized interdependence.

[6][1] He has written articles on blogging for Foreign Policy[2] and The Chronicle of Higher Education.

[3] He has written for the Washington Post blog, Monkey Cage,[7] including as editor-in-chief from 2019-2022.