Taken from the net...

Chinese Names To Avoid

1. Mandarin

Paul Chan - Bankrupt
Anne Chang - Dirty
Faye Chen - Dusty
Anne Chin - Keep quiet
Henry Mah - Hate your mum
Jane Tan - Frying eggs
Nelson Tan - Bird laying eggs
Leslie Tong - Rubbish bin

2. Hokkien

Carl Cheng - Buttock
Monica Cheng - Touching your buttocks
Lucy Leow - You are dead
Suzie Leow - Lost till death
Lim Teh Peng - Drink iced tea
Danny See - Squeeze you to death
Corrine Tai - Poor fellow
Rosie Teng - Screws and nails
Carmen Tng - Leg hair long
Pete Tsai - Nose droppings

3. Cantonese

Connie Mah - Call your mother
Macy Koh - Never die before
Michael Tan - Sell eggs
Michael Loong - Sell chicken cage
Michael Teo - Sell kuay teow

Talking about that, I know of people whose names are called Ong Lai Chui (pineapple juice) and Tan Gu Goo (wait long long).