Twenty-seven men have received jail sentences for taking part in a recent series of attacks on American and British businesses across Lebanon.
Several were injured in an attack on a Beirut McDonald's in April
One man tried in absentia - Ahmed Mikati - received a life sentence.
Two others who masterminded the attacks were jailed for 20 years - the rest received shorter terms.
The bomb attacks, which began at the end of 2002 and ended in April, targeted fast food restaurants such as McDonald's and Pizza Hut.
Three defendants accused of plotting to kill the US ambassador to Lebanon were acquitted by a military court in Beirut.
American businesses and western embassies in Lebanon have been given armed guards by internal security forces since the start of the Iraq crisis.