Lotus flower tattoo meaning

There are lots of symbolic meanings for the lotus flower:

In ancient Egypt is was a symbol of rebirth.

In China it is a symbol of unity.

In India it is a symbol of the divine feminine.

In Tibet it is a symbol of mystery.

To Buddhists it is a symbol of enlightenment.

As tattoos are a very personal thing, it is not wise to assume any specific meaning for any tattoo. To be certain what it is intended to mean I suggest you as the person wearing it.