| Official Name: | Harfo |
| Settlement Type: | Town |
| Pushpin Map: | Somalia |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Somalia |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Mudug |
| Unit Pref: | Metric |
| Population Total: | 27, 850 |
| Timezone: | EAT |
| Utc Offset: | +3 |
| Coordinates: | 7.35°N 47.622°W |
Harfo (Somali: Xarfo or Somali: Xarfa Agga Bar) is a town in the north-central Mudug region of Somalia.Harfo used to be known, and is still popularly known as Harfo agabar
The village of Harfo/Harfa was founded in 1900. The village served as a military garrison of the Sultanate of Obbia under Sultan Ali Yussuf. The village expanded, was nominated for township in the 1980s, and became a member district and township of Mudug region in 1990s. Harfa has witnessed further growth and development since the establishment of Puntland in 1998, mostly fueled by investment by the Somali diaspora in Europe and the Americas.
Today, the town of Harfo/Harfa is a mid-sized town with a population over 20,000. The town has recently become the headquarters of Puntland's customs authority. Today Harfo/Harfa is the 9th largest town in Puntland.
Harfo is situated in the north-central part of Somalia, and is one of the most developed towns in the region. The city is divided into four main administrative districts called Jabuuti, Ubax, Hilaac and Wadajir.
Harfo has number of academic institutions. According to the Puntland ministry of education Harfo has thee primary schools and one secondary school. Primary schools are Horyaal primary school and Harfo peace and development school which are locates in Jabuuti village and Furqaan primary school which locates near Boorey market. Suldan Hurre secondary school is the only secondary school in Harfo which is named after Suldan Mohamuud Hurre who was Somali elder.