Onyango joined Gor Mahia from the soldiers this transfer window. Also in the squad are new signings Humphrey Mieno, Charles Momanyi and Ivory Coast striker Ephrem Guikan.
However, the club have not included midfielder Kenneth Muguna and defender Musa Mohammed in the list submitted to Caf on Monday.
K’Ogalo will take part in the Caf Champions League and have been drawn to face Leones Vegetarianos from Equatorial Guinea in the preliminary round.
Goalkeepers: Shaban Odhoji, Fredrick Odhiambo and Boniface Oluoch.
Defenders: Charles Momanyi, Godfrey Walusimbi, Wellington Ochieng, Joachim Oluoch, Harun Shakava, Joash Onyango and Wesley Onguso.
Midfielders: Kevin Omondi, Ernest Wendo, Humphrey Mieno, Philemon Otieno, Bernard Ondiek, Francis Kahata, Lawrence Juma and Cercidy Lumumba.
Forwards: Jacques Tuyisenge, Ephrem Guikan, Meddie Kagere, Samuel Onyango, Boniface Omondi and George Odhiambo.