Leptotyphlops telloi, also known commonly as Tello's threadsnake or Tello's worm snake, is a species of snake in the family Leptotyphlopidae. The species is indigenous to southern Africa.
The specific name, telloi, is in honor of Mozambican herpetologist José Luis Pessoa Lobão Tello.
L. telloi is native to Mozambique and adjacent Eswatini.
A small species, L. telloi may grow to a maximum snout-vent length (SVL) of only . It is solid black, except for white patches on the head.
The preferred habitat of L. telloi is thornveld.
L. telloi is oviparous.