| Sigurdardottir, Arna Rut | Arna Rut Sigurdardottir | Dancer | 2017 | 1 | |
| Sigurdson, Dag, | Dag Sigurdson | Lighting Designer | 1996 | 1 | |
| Sigurdson, Kåre | Kåre Sigurdson | Actor | 1984 | 2 | |
| Sigurdsson, Thórhallur, | Thórhallur Sigurdsson | Director | 1999 | 5 | |
| Sigurðardóttir, Margrét | Margrét Sigurðardóttir | Costume Designer | 1998 | 1 | |
| Sigurðarson, Jóhann | Jóhann Sigurðarson | Actor | 1991 | 2 | |
| Sigurðsson, Haraldur, Á. | Haraldur Á. Sigurðsson | Actor | 1928 | 1 | |
| Sigurðsson, Ingvar E. | Ingvar E. Sigurðsson | Actor | 1991 - 2018 | 24 | 4 |
| Sigurðsson, Jón | Jón Sigurðsson | Actor | 1978 | 1 | |
| Sigurðsson, Sigurður, E. | Sigurður E. Sigurðsson | Actor | 1978 | 1 | |
| Sigurðsson, Þórhallur | Þórhallur Sigurðsson | Actor, Director | 1996 - 2001 | 2 | |
| Sigurjónsson, Hermann | Hermann Sigurjónsson | Actor | 1975 | 1 | |
| Sigurjónsson, Sigurður | Sigurður Sigurjónsson | Actor | 1991 - 1996 | 3 | |
| Sigurjónsson, Stefán, Sturla | Stefán Sturla Sigurjónsson | Actor | 1998 - 2014 | 2 | |
| Sigurth, Peter, | Peter Sigurth | Actor | 1907 - 1908 | 8 | |
| Sihler, Jürgen | Jürgen Sihler | Actor | 2003 - 2004 | 8 | |
| Siikala, Kaija | Kaija Siikala | Director | 1969 - 1979 | 2 | |
| Siikala, Ritva, | Ritva Siikala | Adaptation, Director | 1977 - 1996 | 28 | |
| Siikaluoma, Heikki | Heikki Siikaluoma | Actor | 1996 - 2002 | 2 | |
| Siilmann, Riina | Riina Siilmann | Costume Designer | 1997 | 1 | |
| Siimes, Pentti | Pentti Siimes | Actor | 1955 | 1 | |
| Siivola, Vilho | Vilho Siivola | Actor | 1955 | 1 | |
| Sijbenga, Peter | Peter Sijbenga | Composer, Musical Director, Musician, Sound Designer | 1999 | 4 | |
| Sikelianos, Angelos, | Angelos Sikelianos | Actor | 1901 - 1906 | 7 | |
| Sikic, Iván | Iván Sikic | Actor | 2006 | 1 | |
| Siklenková, Petra | Petra Siklenková | Actor | 1997 | 2 | |
| Siklos , Csanad, Z. | Csanad Z. Siklos | Translator | 1992 - 2000 | 3 | |
| Siklóssy, Pál | Pál Siklóssy | Director | 1935 | 1 | |
| Sikora, Annie | Annie Sikora | Actor | 1904 | 1 | |
| Sikora, Bernd | Bernd Sikora | Composer, Musician | 2002 | 2 | |
| Sikora, Cornelia | Cornelia Sikora | Actor | 1981 | 1 | |
| Sikora, Patrycja | Patrycja Sikora | Actor | 2016 | 1 | |
| Sikorová, Martina | Martina Sikorová | Actor | 2008 | 2 | |
| Silađi Revid, Eleonora | Eleonora Silađi Revid | Actor | 1992 | 1 | |
| Silaeva, Yuliya | Yuliya Silaeva (Юлия Силаева) | Actor | 2013 | 1 | |
| Silaghi, Adrian | Adrian Silaghi | Actor | 2005 | 1 | |
| Silaghi, Summer Joy | Summer Joy Silaghi | Actor | 2005 | 1 | |
| Silajdžić, Jovan | Jovan Silajdžić | Actor | 1951 | 1 | |
| Silanen, Hilkka | Hilkka Silanen | Actor, Director | 1952 - 1972 | 3 | |
| Silber, Paul | Paul Silber | Actor | 1962 | 1 | |
| Silberbauer, Gerd | Gerd Silberbauer | Actor | 1984 | 2 | |
| Silberg, Nicolas | Nicolas Silberg | Actor | 1993 | 1 | |
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