How to say "coworker" in Japanese

• 同僚どうりょうJLPT N3approx.Common
  nounThe straightforward term for a coworker: someone who works at the same place as you. It refers to the work relationship alone and implies nothing about personal closeness, fitting friendly and distant colleagues alike.
  私の同僚どうりょうは報告書ほうこくしょを改かいざんした。↗

  My colleague doctored the report.
• 仲間なかまJLPT N3approx.Common
  nounFor a coworker you think of as a mate — one of your group. Its basic senses are companion, friend and mate, and it is not limited to people you work with.
  田中たなかさんは父ちちのつり仲間なかまの一人ひとりだ。↗

  Mr. Tanaka is one of my father's fishing companions.
• 僚友りょうゆうCommon
  nounA colleague who is also a comrade: it colors the workmate sense with a note of friendship. When you simply mean someone you work with, 同僚 is the word to reach for.

For a coworker in the plain sense — someone who works with you — 同僚 is the neutral, all-purpose choice; 仲間 adds a friendly, one-of-the-group feel; 僚友 suggests a colleague who is also a comrade or friend.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 同僚どうりょうcoworker
• 仲間なかまcompanion
• 僚友りょうゆうcolleague
• 共同者きょうどうしゃcoworker
• 共労者きょうろうしゃcoworker
• コワーカーcoworker
• 協力者きょうりょくしゃcollaborator
• ナカーマcompanion