This chapter contains sections titled: Kinetic Theory of Plasmas Kinetic Equations for ideal and Nonideal Plasmas inclusion of the Averaged Dynamical Polarization in the Roltzmann Kinetic Equation for a Nonideal Plasma Kinetic Theory of Fluctuations in a Gas and a Plasma The Kinetic Equation for a Partly Ionized Plasma with Inelastic Processes Taken into Account