They do look a little alike. Probs because of the hair, facial features, and of course the eyes are drawn similiar.

i honestly thought there was some kinda relation, maybe theyre cousins or somethin?

I don't think they're cousins snugglebum, although it is a possibillity. But he is Chiyo's grandson isn't he? And Chiyo has some sort of relationship with Gaara doesn't she? Afterall she was the one who sealed Shukaku inside of him, so maybe it passed through that way? Gah i have no idea -_-

Gaara and Sasori little alike thari hair.

ther sort of do look alike I mean the hair is the same and so is there face sort of

i serouisoly think they are related some how.

My friend told me that they are cousins? o.o

for a split second when i first saw sasori i thot he was gaara until i realized he was in diedara's... things... mouth.

It's not a huge deal, but yeah. they probably were intended to look similar to make it more obvious that Sasori was from Suna.