Yohanna is both a given name and a surname. Notable people with the name include:
Yohanna Barnaba Abdallah (died 1924), Mozambican writer Yohanna Dickson (1920–2015), Nigerian military official Yohanna Idha (born 1978), Swedish actress Yohanna Logan (born 1975), American fashion designer Yohanna Madaki (1941–2006), Nigerian lawyer Buba Yohanna (born 1982), Cameroonian footballer
See also Jóhanna Guðrún Jónsdóttir (born 1990), Icelandic singer, known as Yohanna Yohannan