Wayaaku (pia: Wamukogodo) ni kabila la watu wanaoishi katika misitu ya Mukogodo, magharibi mwa Mlima Kenya, katika kaunti ya Laikipia, Kenya. Wayaaku waliingia Kenya kutoka Ethiopia kusini wakachanganyikana na wenyeji . Katika miaka ya 1920 na 1930 walianza kuiga utamaduni wa Wamasai na hata lugha yao. Kiyaaku Wadorobo Mhando, J., Safeguarding Endangered Oral Traditions In East Africa, Nationl Museums of Kenya online Mhando, J., Safeguarding Endangered Oral Traditions In East Africa, Nationl Museums of Kenya online Brenzinger, Matthias (1992) 'Lexical retention in language shift', in Brenzinger, Matthias (ed.) Language Death: Factual and Theoretical Explorations with Special Reference to East Africa. Berlin/New York: Mouton de Gruyter, 213–254. Cronk, Lee (2002) 'From true Dorobo to Mukogodo-Maasai: contested ethnicity in Kenya', Ethnology, 41(1), 27–49. Heine, Bernd (1974/75) 'Notes on the Yaaku language (Kenya)', Afrika und Übersee, 58(1), 27–61; 58(2), 119–138.