- 周公瑾 zhōugōngjǐn Zhou Gongjinpolite name of the Eastern Wu general and strategist Zhou Yu during the Three Kingdoms period
- 周公吐哺 zhōugōngtǔbǔ to treat talent with respectTo be eager to recruit talent and treat worthy people with great hospitality; literally refers to the legend of the Duke of Zhou spitting out his food mid-meal to rush and receive guests