San Isidro is one of the 15 barangays of Tagbilaran, Province of Bohol, Philippines. It is one of the largest barangays in the city in terms of area with 429.4 ha (1,061 acres). According to the , it has a population of {{safesubst:#property:P1082}} – making it the least populated in the city. In the 2013 election, it had 2,520 registered voters, meaning that % of the population are aged 18 and over.San Isidro is located in the east of Tagbilaran.