Hi there, I am going to visit Iran in a month, before that I like to ask you some questions to get familiar with the country I am going to visit.
First of all, I have a pornographic tattoo on my Arm. Will it cause me any problems during my visit to Iran?
You will be fine!
Getting tattoos are illegal in Iran but in recent years, tattooing has become increasingly popular among youths even full-body tattoos.
For the foreigners travelling in Iran with tattoos, of course, there is no problem except that you might absorb attention. And your case with a porno tattoo on your arm which is not visible to be attentive and it can not cause hassle. Read about Iran Dress Code.