Standard Mandarin Personal Pronouns

Person	Singular				Plural*
First person	我 wǒ I, me				Exclusive		Inclusive†
					我們(们) wǒmen we, us		咱們(们) zánmen we, us
Second person	Informal		Polite		你們(们) nǐmen you
	你 nǐ you		您 nín you
Third person	Masculine	Feminine		Neuter	Masculine	Feminine		Neuter
	他 tā he, him	她 tā she, her		它 tā it	他們(们) tāmen they, them	她們(们) tāmen they, them		它們(们) tāmen they, them

* The character to indicate plurality is 們 (men) in Traditional Chinese characters.

†Used to indicate 'you and I' (two people) only; in all other cases wǒmen is used. This form has fallen into disuse outside Beijing.

Source: Wikipedia