Cornflour or corn flour may refer to:
Corn starch or cornflour (in the UK), from the endosperm of the kernel of the corn (maize) grain Maize flour or corn flour (in the US and elsewhere), very finely ground cornmeal, ground from dried maize
See also Flour Starch Gluten Masa harina, a corn flour from the nixtamalization of maize Cornflower, a small annual flowering plant with blue flowers