The 50-year-old actor was detained at the Los Angeles airport this time. A man with the same name is on a US no-fly list of 80,000 people.
He took to Twitter to voice his exasperation.
I fully understand & respect security with the way the world is, but to be detained at US immigration every damn time really really sucks. @iamsrk
The brighter side is while waiting caught some really nice Pokemons. @iamsrk
Mr Khan, one of the most successful stars in the Hindi film industry, has been held back at US airports thrice in seven years.
American officials tell NDTV that during immigration checks, what pops up is a name without any other detail to help draw a distinction.
In April 2012, Mr Khan was held back for over two hours at the airport in New York on a visit to address students at Yale University.
He had joked later at Yale: "Whenever I start feeling to…