The direct answer to your question is: Yes, there are several ways.
However, this is rarely the best approach, because the immediate question is how do you then reference those variables in KM? KM is NOT like JavaScript which can easily get keys or names of of objects or by using arrays.
But do you really need different Variable names, or to just set the content of a given set of Variables based on your Client (or other criteria)?
So, rather than us trying guess what you really want to do, the best approach would be for you to provide us with a real-world example of:
- Source data (Excel or otherwise)
- What fields (variables) do you want to retrieve
- Criteria for selecting the data
- Real-world example of desired output.
Many people use Excel as their "database". For small datasets this is fine, but it is often better to create a real SQL database that is easy to insert data into, and query to get data out of.
Please read:
Tip: How Do I Get The Best Answer in the Shortest Time?