* Саша (Sasha) - This is the most common way to write the name, and is a shortened version of the name Alexander (Александр) or Alexandra (Александра).
* Са́ша (Sá-sha) - This is a less common spelling and pronunciation, and emphasizes the stress on the first syllable.
The choice of which spelling to use depends on personal preference and the context in which you are using the name.