9 species have Hustle as a hidden ability, 12 as a normal one

Effect, in PokéAPI's words

“Strengthens physical moves to inflict 1.5× damage, but decreases their accuracy to 0.8×.”

As a hidden ability

Species	Slot	Note
Rattata	Hidden	Since Generation V
Raticate	Hidden	Since Generation V
Nidoran♀	Hidden	Since Generation V
Nidorina	Hidden	Since Generation V
Nidoran♂	Hidden	Since Generation V
Nidorino	Hidden	Since Generation V
Combee	Hidden	Since Generation V
Rufflet	Hidden
Flapple	Hidden

As a normal ability

Species	Slot	Note
Togepi	Normal
Togetic	Normal
Corsola	Normal
Remoraid	Normal
Delibird	Normal
Togekiss	Normal
Darumaka	Normal
Durant	Normal
Deino	Normal
Zweilous	Normal
Dracozolt	Normal
Squawkabilly	Normal

Elsewhere in PokéAPI

9 more holders without a page here

Alternate forms and other species that PokéAPI lists with Hustle.

Rattata Alola, Raticate Alola, Raticate Totem Alola, Darumaka Galar, Flapple Gmax (hidden), Lilligant Hisui, Squawkabilly Blue Plumage, Squawkabilly Yellow Plumage, Squawkabilly White Plumage