There are about 371 (or more) tribes in Nigeria Here are some of the largest tribes
Efik-Ibibio
The Efik-Ibibio is located at the coastal southeastern Nigeria. Efik-Ibibio language is spoken in Akwa Ibom State and Cross River State. It has various dialects such as the Annang dialect, Oron dialect, and many others.
The Efik-Ibibio people are blessed with various edible vegetables. Their food is popular throughout the entire Nigeria including the popular Afañg soup, Edikang Ikong soup, pepper soup, Ukwoho, Atama,Eritañ, jeloff-rice, etc.
Igbos
Third largest ethnic group Igboland is the home of the Igbo people and it covers most of Southeast Nigeria. This area is divided by the Niger River into two unequal sections – the eastern region (which is the largest) and the midwestern region. The river, however, has not acted as a barrier to cultural unity; rather it has provided an easy means of communication in an area where many settlements claim different origins.
The Igbos, who are mostly Christians. Their traditional religion is known as Odinani. Socially they are led by monarchs known as Eze Igwes.
Hausa/Fulani
Largest ethnic group The Hausa and Fulani are two ethnic groups which were formerly distinct but are now intermixed to the extent of being regarded as one inseparable ethnic nation.
Although found throughout the grassland belt of West Africa, the bulk of the Hausa/Fulani population is concentrated in Northern Nigeria especially in and around the centres of Sokoto, Kano and Katsina which were important market centres on the southern section of the trans-Saharan caravan trade routes in the past.
Being the largest ethnic group in Nigeria, Hausa have always been some of the main players in Nigerian politics since Nigeria was granted independence from Britain in 1960.
Yoruba
Second ethnic group Yoruba people live mostly in Southwest Nigeria. They have developed a variety of different artistic forms including pottery, weaving, beadwork, metalwork, and mask making. Most artwork is made to honour the gods and ancestors and since there are more than 401 known gods to the Yoruba there is much sculpture and artwork made.
Yoruba are usually identified as Christian or Muslim, although a lot of Yoruba still uphold traditional aspects of their ancestors religious practices and beliefs. This ethnic group upholds many cultural traditions, including music and culture festivals, traditional Yoruba art, and conventional architecture. The Yoruba culture has historically relied on large populations in a centralized location and an Oba (King).
Ijaw
The Ijaw live in the Niger River Delta area of Nigeria and constitute around 10% of the population of the country. The Ijaw have historically had tensions with the rest of the Nigerian population. The lands in which the Ijaw inhabit are extremely oil-rich.
Kanuri
The Kanuri people are found in northeastern Nigeria. Their population is believed to be around 4% of Nigeria (approximately 4,000,000). The regions in which Kanuri live are largely impractical for outsiders to reach. Kanuri people are predominately Sunni Muslims.
Fulani
Since the Fulani War (1804-1808), the Fulani people have been intertwined with the Hausa of Nigeria. This is largely due to intermarriage and Fulani living among the Hausa population. Fulani and Hausa together make up approximately 29% of the population of Nigeria.
Ibibio
The Ibibio, mostly found in southeastern Nigeria, have a rich oral history passed down through generations. These people have lived in this part of Nigeria for several hundred years. This ethnic group numbers approximately 4.5 million which is equivalent to 3.5% of the population of Nigeria.
Ibibio people in the region also inquired (with the British Crown) to become their own sovereign nation within Nigeria (pre-independence). Today, Ibibio predominantly identify themselves as Christian. Ibibio has an amazing artistic culture, most known for creating intricate wooden masks and carvings.
Tiv
The ethnic group known as Tiv are well known for their agricultural produce and the trading of this produce. This is one of the only sources of income for the group. The Tiv people all trace their ancestry back to an ancient individual also named Tiv, who had two sons. Some Tiv people identify as Christians, even less as Muslim.
The traditional religion of Tiv, based on manipulations of forces by humans who have been entrusted by a creator God, remains strong within the Tiv populace. Tiv only make up 3.5% of the Nigerian population, making them one of the smaller ethnic groups within the country.
Ref: worldatlas, Wikipedia,