That girl, her own (when emphasizing possession), and she are all synonyms for her. Him and them are antonyms of her. And here are 31 another word for her.
Her own (when emphasizing possession), she, that girl, that individual, that lady, the beloved, the companion, the dame (informal or old-fashioned), the daughter (if contextually appropriate), the female, the fiancée, the friend (if contextually appropriate), the girl, the individual, the lady, the miss, the mother (if contextually appropriate), the partner (in romantic contexts), the person, the recipient, the significant other, the soul mate, the subject, the sweetheart, the woman, this female, this girl, this woman, your (in some contexts), and the wife are all synonyms for her.
Her synonym page has a variety of synonyms that differ in length. 1 synonym with 3, 11, 14, 15, 18, 19, 28, 29, 31, and 36 letters and 3 synonyms with 7, 9, and 10 letters. 4 synonyms with 8 letters and 2 synonyms with 12, 13, and 34 letters. For a total of 29 another word for her.
She gave her friend a gift.
I saw her at the park.
Her smile brightened the room.
They admired her unique style today.