How do you say Hi my name is in Mandarin Chinese?

There are a few ways to say "Hi, my name is..." in Mandarin Chinese, depending on the formality of the situation:

Formal:

* 您好，我叫… (Nín hǎo, wǒ jiào…) - This is the most polite and formal way to introduce yourself. It literally means "Hello, I am called...".

Informal:

* 你好，我叫… (Nǐ hǎo, wǒ jiào…) - This is a more casual way to introduce yourself. It means "Hello, I am called...".

* 大家好，我叫… (Dà jiā hǎo, wǒ jiào…) - This means "Hello everyone, I am called..." and is used when introducing yourself to a group of people.

For example:

* 您好，我叫张伟。 (Nín hǎo, wǒ jiào Zhāng Wěi.) - Hello, my name is Zhang Wei. (Formal)

* 你好，我叫李明。 (Nǐ hǎo, wǒ jiào Lǐ Míng.) - Hello, my name is Li Ming. (Informal)

* 大家好，我叫王丽。 (Dà jiā hǎo, wǒ jiào Wáng Lì.) - Hello everyone, my name is Wang Li. (Informal)

Remember to replace "..." with your actual name in Chinese.