What is the abbreviation for Engineer?

The abbreviation for Engineer is commonly recognized as "Engr." This abbreviation is widely accepted in both professional and academic settings, allowing for clear communication in fields where engineers play a crucial role. The use of "Engr" captures the first few letters of the word while also indicating its professional context.

The other options, while they may represent reasonable abbreviations, are not standard. For example, "Eng" is often used but can lead to confusion since it might refer to "English" or other terms as well. "Engn" does not conform to common abbreviation practices and might not be immediately recognized as referring to an Engineer. "Engi" is less commonly used and may not be as easily associated with the profession. Therefore, "Engr" stands out as the most appropriate and recognized abbreviation for Engineer.