Johnson Chidera Nnamani (born 28 July 2003) is a Nigerian male sprinter athlete who competed for Nigeria at local and international table tennis competitions.

[1] Adeyemi participated in the men's 4 × 400 metres relay event at the 2022 Commonwealth Games representing Nigeria.

[2] Nnamani alongside Deborah Oke, Imaobong Nse Uko and Bamidele Ajayi were part of the team that won gold medal at the World U-20 Athletics Championships in Nairobi, Kenya.

[3] They set a new championship record of 3:19.70 to win the gold medal in the Mixed 4 × 400 m relay.

[4]