Yes. The two countries share a border in what is southeast Iran and southwest Pakistan.
The Iran-Pakistan barrier is a separation barrierwhich Iran has started[update] building along its border with Pakistan replacing an intermittent tattered border fence
Both Afghanistan and Pakistan.
Pakistan shares its borders with four neighboring countries - Afghanistan, China, India, and Iran - adding up to about 6,975 km (4,334.1 mi) in length (excluding the coastal areas).
Iran-Pakistan Barrier. It divides the historical ethnic region of Balochistan.
Iran shares the western border of Pakistan.
China, India, Iran, Afghanistan
Afghanistan and Pakistan.
Four countries border Pakistan i.e. Afghanistan, India, China and Iran.
India shares the longest border with Pakistan on its eastern side. The total length of the border between India and Pakistan is 2,900 kilometers.
Pakistan, Iran, China, Turkmenistan, Uzbekistan and Tajikistan
Afghanistan for the greater part, but SE Iran and NW Pakistan share a common border South of Afghanistan.