Hawzah News Agency – When performing a canonic prayer (ṣalāt), can we ask Allah for something in English or a language other than Arabic?
A.| It is permissible to ask Him for something in a language other than Arabic in the course of performing a canonic prayer; yet, the specific formulas and invocations that we are required to say as part of a canonic prayer must be uttered in Arabic.
Source: https://www.leader.ir/en/book/32/Practical-Laws-of-Islam