The following are some suitable names for boys with the surname Su:
1. Su Lezhi: Lezhi means "music knowledge", which means that the boy is smart, educated and capable. Musical literacy.
2. Su Liren: Su Liren means "living in the land of benevolence and righteousness", which means that the boy has high moral character and a righteous heart.
3. Su Moxue: Moxue means "study in silence", which means that the boy is diligent, studious, unassuming and patient.
4. Su Jude: Jude means "according to morality", which means that the boy's behavior is well-founded and noble.
5. Su Dexiu: Moral cultivation means "moral cultivation", which means that boys pay attention to moral cultivation and strive for perfection.
6. Su Yuwen: Yuwen means "literary attainment", which means that the boy has literary talent and is good at expression.
7. Su Yuyi: Yuyi means "artistically accomplished", which means that the boy has artistic talent and creativity.
8. Su Zixing: Zixing means "behaving well", which means that the boy has good conduct and is polite to others.
9. Su Jujing: Jujing means "living respectfully", which means that the boy has a stable character and takes things seriously.
10. Suningwu: Suningwu means "strong martial arts", which means that the boy is good at martial arts and brave and fearless.
The above are just some name suggestions. The specific name needs to be decided based on family cultural background and personal preferences.