This document summarizes 11 commonly used personality inventories in counseling. It discusses the Myers-Briggs Type Indicator (MBTI), which assesses preferences on four dimensions of personality. It also covers the California Psychological Inventory (CPI), Sixteen Personality Factor Questionnaire, NEO Personality Inventory-Revised, Eysenck Personality Questionnaire-Revised, Personality Research Form, Jackson Personality Inventory-Revised, Millon Index of Personality Styles-Revised, Hogan Development Survey, Coopersmith Self-Esteem Inventories, and Tennessee Self-Concept Scale. The summary provides an overview of what each inventory measures and how they can be useful tools for counselors