Stren, son of Panich was a male Klingon in the 24th century, the brother of Kryan, son of Panich.

In 2376, a Yivoq aircar being piloted by Stren crashed into an office building in the city of Novat on Qo'noS. Initially believed to be a deliberate act, it was later discovered that Stren suffered from T'Viad's syndrome, which caused severe aneurysms while in flight. (KE novel: A Burning House)