Train of thought (disambiguation)
Train of thought is the sequence of thought or speech. The expression may also refer to:

 Train of Thought (Dream Theater album), 2003
 Train of Thought (Reflection Eternal album), 2000
 "Train of Thought" (A-ha song), 1986
 "Train of Thought" (Cher song), 1974
 Train of Thought (Community Arts Tour)