An ink composition including: a first multifunctional monomer including two or more photo-functional groups and a first carbon-containing chain; a second monofunctional monomer including one photo-functional group and a second carbon-containing chain; and semiconductor nanoparticles, wherein the first carbon-containing chain and the second carbon-containing chain each independently contain an alkyl group, and the number of carbons in the second carbon-containing chain is less than the number of carbons in the first carbon-containing chain. A film formed using the ink composition, and an electronic apparatus including the film.