Voluntary societies are numerous. Some are affiliated with parent bodies in the United Kingdom; a few, such as the Rotary Club, the Round Table, Kiwanis, and the Lions Club, are affiliated internationally. The Red Cross is also active. African women's clubs, called Maendeleo ya Wanawake, have been organized throughout Kenya. Some are members of the umbrella organization of National Council of Women of Kenya. National youth organizations include the Kenya Scouts Association, YMCA/YWCA, Kenya United Nations Youth and Student Association, and 4-K Clubs (a branch of 4-H Clubs).
National organizations promoting arts and science include the Kenya National Academy of Sciences (est. 1983), the Kenya Medical Association, and the multinational African Academy of Sciences (est. 1985).
The Kenya National Chamber of Commerce and Industry, founded in 1965, had 46 local branches in 1993; its headquarters are in Nairobi. The Kenya Consumer's Organisation is also active.