John Finlayson may refer to: John Harvey Finlayson (1843–1915), editor and part-owner of the South Australian Register John Finlaison (born John Finlayson, 1783–1860), Scottish government actuary, first president of the Institute of Actuaries John Finlayson (disciple) (1770–1854), Scottish writer, London "house agent", disciple of Richard Brothers John Finlayson (engraver) (1730–1776), English engraver John Finlayson (politician) (1890–1960), member of the New Zealand Legislative Council