Ryan Trahan's height is reported as 5 feet 8 inches (173 cm) according to one source, while another source lists him as 5 feet 9 inches (175 cm). The more common and consistent value found is around 5 feet 8 inches tall. There are some claims and jokes about him being taller, such as 6'2", but these don't align with visual or reliable sources.

So, the best estimate of Ryan Trahan's height is about 5 feet 8 inches.