The Dampier Peninsula monitor or Dampier Peninsula goanna (Varanus sparnus), described in 2014, is the smallest known species of monitor lizard, growing up to 16.3 grams with a length of almost 23 cm and a SVL (snout to vent length) of 116 mm.

It is believed to live only on the Dampier Peninsula of the Kimberley region north of Broome and Derby in Western Australia.

It has short legs, an elongate body, a reddish-brown back with widely scattered black spots and "a ridged, circular and short prehensile tail.

"[2][3]"sparnos is Greek for 'rare' or 'scarce' in reference to this species' isolation and small range on the Dampier Peninsula.

[2]Described in 2014 and assigned to the genus Varanus, lizards known as monitors and goannas.