Is my penis size normal? My penis size is 8" (erect). Is it normal for Asian male?

Yes, . Yes, but it is a bit larger than average. Are you bragging or complaining?
Depending . Depending on what study you look at, the average erect penis size for an adult male is somewhere between 5.5 inches to 6.2 inches. Of course, there are always folks on each end of the spectrum, too.