Shigeo is a Japanese given name of two possible meanings: 'progress' and 'virtuous man'. It consists of two kanji characters, 'shin' (進) meaning 'advance' or 'progress', and 'go' (剛) meaning 'strong' or 'valiant'. The name Shigeo was popular in Japan during the early to mid 20th century.
The name Shigeo experienced a notable rise in popularity between 1912 and 1923, with the highest number of births recorded in 1923 (38). However, it subsequently declined, reaching a low point in 1936 with only 6 births. Overall, there were 427 babies named Shigeo over this period.