This study aims to determine the basic skills that 21st century teachers should have. The study is based on the opinions of 79 teachers working in different disciplines on four different campuses in Izmir. The qualitative study used storage technique and content analysis. The opinions of the participants were evaluated to clarify the skill expressions, create themes and determine data categories. The study found that teachers prioritized several core competencies, including creativity, empathy and communication, critical thinking, problem solving and crisis management, and collaboration, curiosity and digital literacy. Other skills were determined as reading comprehension, learning to learn, patience, emotional intelligence, active listening, people management, taking initiative, reasoning, research, general knowledge, imagination, student-centered education, inspiration, psychosocial adaptation, attention-grabbing, knowledge, openness to innovation, self-confidence and learning to teach. According to teachers, creativity is the most important skill for 21st century teachers.