Quick answer
Hideyoshi is a boy name.
Meaning and history
From Japanese 秀 ( hide ) meaning "excellent, outstanding" combined with 良 ( yoshi ) meaning "good, virtuous, respectable" or 吉 ( yoshi ) meaning "good luck". Other kanji combinations are possible. Toyotomi Hideyoshi (Hideyoshi 秀 吉 being his given name) was a 16th-century daimyo who unified Japan and attempted to conquer Korea. He also banned the ownership of weapons by the peasantry, and banished Christian missionaries.
Notes and context
Usage: japanese | Japanese Hiragana: ひでよし; Japanese Katakana: ヒデヨシ