Search gender: all male female 勤 Japanese Names Variations. 1 names found. gender: all male female Name: tsutomu Katakana: ツトム 0 Kanji: 勤 Meaning: 勤To work. To work under the guidance of an organization. To devote oneself to Buddhism. Practice. To make an effort. To love oneself. restraining oneself. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 勤 Japanese Names Variations.