The article highlights some important elements of I.A. Krylov's biographical myth. The existence of the biographical myth is confirmed in literary anecdotes about Krylov and in the naming (mytheme) «grandfather Krylov». The stable expression «a great fabulist» is also a mytheme. I.A. Krylov's biographical myth is fixed in painting and sculpture and is supported by fictionalized and popular scientific biographies of the writer.