Dozens of people were arrested during the clashes in the Istanbul neighbourhood of Bakirkoy on the eve of Kurdish Nevruz, or New Year, an AFP journalist witnessed.
Nevruz is a key marker of the Kurdish social and cultural calendar.
Several Turkish cities, including Istanbul, had banned gatherings over the weekend, citing security concerns following a raft of bombings around the country in recent months.
In the latest attack, an alleged Islamic State bomber killed four people in a suicide attack Saturday on a busy shopping street in Istanbul.
Also Read
Police barred an HDP lawmaker from making a statement and then used tear gas, rubber bullets and water cannon to repel a crowd of demonstrators trying to gather in a square.
Tensions are running high between the state and Kurdish youths following the resumption of a long-running conflict between the security forces and the rebel Kurdistan Workers' Party (PKK) in southeast Turkey last summer.
A radical PKK offshoot, the Kurdistan Freedom Falcons (TAK), claimed responsibility for two suicide car bombings in Ankara in the past month that left dozens dead.