Positive thinking or Positive Thinking may refer to:

• New Thought, a new religious movement that coalesced in the United States in the early 19th century
• Optimism, an attitude reflecting a belief or hope that the outcome of some specific endeavor, or outcomes in general, will be positive, favorable, and desirable
• Positive mental attitude, the importance of positive thinking as a contributing factor of success
• Positive psychology, a field of psychological theory and research of optimal human functioning of people, groups, and institutions

• Positive Thinking (magazine), an American magazine
• Positive Thinking..., a 1998 album by Acoustic Alchemy
• Positive Thinking, a 2016 album by the Pack A.D.
• "Positive Thinking", a 1976 song by Morecambe and Wise

• The Power of Positive Thinking, a 1952 book by Norman Vincent Peale
• The Power of Positive Thinking (EP), a 1990 EP by Nomeansno