Daughters of Mary Help of Christians Siu Ming Catholic Secondary School (天主教母佑會蕭明中學), founded in 1973, is a girls' secondary school in Kwai Chung, Hong Kong.

It is administered under the Grant Code and using English as a medium of instruction, or being an "EMI school".

Catholicism Daughters of Mary Help of Christians Siu Ming Catholic Secondary School is a subsidized girls' grammar school run by the Daughters of Mary Help of Christians.

The total number of teaching staff members is 61 with 66% of them holding master's degrees as their highest education level, 33% holding bachelor's degrees as their highest education level and 100% holding professional qualifications.

There are 16 elective modules of 13 different subjects offered to the 4 classes in each level of S.4 to S.6.