Anime/F

Fa

 * Fairy Tail: Final Series: Despite not being an absolute giantess, Branish μ (normal-sized woman) is able to manipulate matter in which she can change the size of herself or other things, including other people. Even Lucy was a para-giantess involving Marin.

Fi

 * Fire Force - SE2-EP1: Brief giantess moment in third opening.

Fl

 * FLCL Progressive - EP3: Tiny chibis of Julia Jinyu rain near Hidomi.
 * Flint the Time Detective: It is similar to Pokémon and based on time travels and historical events.

Fo

 * Food Wars!: Shokugeki no Soma: Despite the show taking place in the real world with no actual giantesses in the series, there are imaginary scenarios of giantess content.

Fr

 * Frame Arms Girl: The series involves Ao Genni interacting with 15cm Frame Arm Girl dolls (there are only para-giantess scenes).

Fu

 * Funky Fables: Rare anime that involves european fairy tales. It's too rare that there is no a complete episode list.