14 species have Sand Veil as a hidden ability, 13 as a normal one

Effect, in PokéAPI's words

“Increases evasion to 1.25× during a sandstorm. Protects against sandstorm damage.”

As a hidden ability

Species	Slot	Note
Geodude	Hidden	Since Generation V
Graveler	Hidden	Since Generation V
Golem	Hidden	Since Generation V
Phanpy	Hidden	Since Generation V
Donphan	Hidden	Since Generation V
Larvitar	Hidden	Since Generation V
Stunfisk	Hidden
Sandygast	Hidden
Palossand	Hidden
Silicobra	Hidden
Sandaconda	Hidden
Wiglett	Hidden
Wugtrio	Hidden
Orthworm	Hidden

As a normal ability

Species	Slot	Note
Sandshrew	Normal
Sandslash	Normal
Diglett	Normal
Dugtrio	Normal
Gligar	Normal
Cacnea	Normal
Cacturne	Normal
Gible	Normal
Gabite	Normal
Garchomp	Normal
Gliscor	Normal
Helioptile	Normal
Heliolisk	Normal

Elsewhere in PokéAPI

3 more holders without a page here

Alternate forms and other species that PokéAPI lists with Sand Veil.

Diglett Alola, Dugtrio Alola, Sandaconda Gmax (hidden)