Allāhverdi Khan Bridge, popularly known as Si-o-seh pol, “The Bridge of thirty-three spans”, is one of the eleven bridges of Isfahan, Iran and the longest bridge on Zayandeh River with the total length of 297.76 metres (976.9 ft). It is highly ranked as being one of the most famous examples of Safavid bridge design.

It was constructed by the inspection and the financial support of Allahverdi Khan Undiladze chancellor of Shah Abbas I, an Iranian ethnic Georgian. It consists of two rows of 33 arches from either sides, left and right.