Siriwardena () is a surname found in Sri Lanka. It can also be spelled Siriwardana, Siriwardene, Siriwardane, Siriwardhana, or Sriwardene.

Notable people with this surname include:

Siriwardena

Ajith Kumar Siriwardena, a British professor and surgeon Chandrika Siriwardena (born 1948), a Sri Lankan singer Denagama Siriwardena, a Sri Lankan writer and journalist Dhananjaya Siriwardena, a Sri Lankan actor H. de Z. Siriwardena (1898 – after 1954), a Sri Lankan politician Himali Siriwardena, a Sri Lankan actress Inshaka Siriwardena (born 2000), a Sri Lankan cricketer M. P. de Z. Siriwardena (1906 – 1978), a Sri Lankan politician Regi Siriwardena (1922 – 2004), a Sri Lankan academic and writer

Siriwardana

Dhammika Siriwardana (1954 – 2015), a Sri Lankan producer and businessman Kalindu Siriwardana (born 2000), a Sri Lankan cricketer Milinda Siriwardana (born 1985), a Sri Lankan cricketer Vishaka Siriwardana (1956 – 2021), a Sri Lankan actress

Siriwardene

Buddhi Siriwardene, a Sri Lankan air officer Prathapa Siriwardene (born 1989), a Sri Lankan cricketer Shashikala Siriwardene (born 1985), a Sri Lankan cricketer

Siriwardane

Janaka Siriwardane (born 1979), a Sri Lankan cricketer

Siriwardhana

Ayana Siriwardhana (born 1999), a Sri Lankan cricketer Stephanie Siriwardhana (born 1988), a Sri Lankan-Lebanese TV host and model W. L. Siriwardhana (1938 – 2010), a Sri Lankan volleyball player

Sriwardene

Tharindu Sriwardene (born 1984), a Sri Lankan cricketer