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Aim. The objective is to explore the incidence rate and the specifics of the clinical course of herpesviral meningitis in children and adults. Materials and methods. The post-hoc analysis of 23 patients’ records has been carried out. The patients were admitted to State Budgetary Healthcare Institution of the Tyumen Region, Clinical Hospital for Infectious Diseases, City of Tyumen, during the period of 2018-2019 diagnosed with meningitis of herpesviral etiology. When analysing the data the following aspects were taken into account: age, sex, etiological agent, complaints at admission, results of clinical examination and laboratory findings. Results. Twenty-three (23) cases of herpesviral meningitis were registered during the period of two (2) years; mixed infection was detected in every fifth patient. Epstein Barr viral meningitis was diagnosed in most cases and was detected 3.5 times oftener in adults than in children. Herpes Simplex Virus meningitis was the second one in terms of detection rate and it affected only adults. Varicella Zoster Virus meningitis was detected two times rarer than Herpes Simplex Virus and only in adults. The herpesviral meningitis caused by human herpes virus type 6 was detected with the same rate as Varicella Zoster meningitis but was registered among children only. Cytomegaloviral meningitis was detected in one adult who was affected by severe immune deficiency. Conclusion. The detected specifics of the incidence of the herpesviral meningitis with respect to a patient’s age will enable a practitioner to suggest the possible meningitis etiology and to prescribe appropriate treatment thus improving the prognosis for the disease.