Is it the monitor lizard, which is not actually venomous in the literal sense, but has such a filthy mouth that you will get blood poisoning.
And they will just slowly follow you.
And then when you fall they will eat you alive.

Slowly.

The Visitors from V lmao

Not a single one. In fact, I have yet to find any kind of critter that scares me. The only scary animals I have ever met have all been human.

Ones that are fond of human flesh, and nearby.

Anything that's venemous.

Somewhere there are pics of me as a young boy holding snakes of various sizes, I’m in awe of them as much as anyone but I’m willing to bet everyone who says “none” has never been in a situation where they discovered a potentially venomous snake under the shelves at work and been in a position where you can’t leave until you try to get it out for your own peace of mind. You realize that everyone is instinctually afraid of snakes at that moment when you have to directly deal with one lol. The eastern copperhead and eastern rat snake are very hard for someone who’s not a herpetologist to safely get close enough to identify no matter how much time you spend googling it, you don’t wanna risk your safety on it. Other than snakes, just the big boys like crocs, gators and Komodo dragons are the only other fearful species I can think of.

Nothing scares you until you feel it crawling up your leg ?

Crocodiles, nasty ambushing sum-bitches. Especially them salty's.

None. I love them all, especially snakes.

Alligators, Crocodiles, and Komodo Dragons, and pretty much any animal that can turn me into a bowel movement.

Politicians

Velociraptors.

Landlords.

I respect reptilian species for their place on the earth. And I recognize a number of them are dangerous to us humans. Some will eat us. So, I would say I have a sensible fear of any that can cause me harm. When hiking out East I have seen copperheads. In the West a few rattlers, even the tracks of a sidewinder. I just didn't bother them. Down in Florida I wouldn't walk a dog near alligators, but they seldom attack humans. In Asia I avoided croc areas because they do attack people. That was a long time ago. Never been around uncaged komodo dragons and I think seeing them in the wild would be frightening. As I said, some eat humans, it is just their nature and they are not evil beings.

None! I love reptiles! I have respect for those that could potentially do me harm and keep my distance but reptiles fascinate me!

I wouldn't say they scare me, but I have a well reasoned respect for venomous snakes.

All of them

salties and komodos

Trumpers.

Dragons, like Game Of Thrones especially the ones turned by the Night King, very scary

Changed my answer to Sleestak, because apparently Velociraptor was taken.

The lizard people

Yes.

I am glad my ancestors were afraid of reptiles, otherwise I might not be here.

Evangelicals. I apologize, it just popped into my head and I couldn't avoid sharing. A joke, maybe a bad one.