url(r'^accounts/logout/$', 'django.contrib.auth.views.logout', name='logout')

(r'^accounts/logout/$', 'django.contrib.auth.views.logout', {'name' : 'logout'} )

<a href="{% url logout %}">Выход</a>

TemplateSyntaxError at /
Caught NoReverseMatch while rendering: Reverse for 'logout' with arguments '(u'/', u'accounts/logout.html')' and keyword arguments '{}' not found.

(r'^accounts/logout/$', 'django.contrib.auth.views.logout', {'vash' : 'dopolnitelnyj_slovar'}, name='logout')

urlpatterns += patterns('django.contrib.auth.views',
    url(r'^accounts/logout/$', 
        'logout', 
        {'next_page': '/', 
         'template_name': 'accounts/logout.html',
        }, 
        name = 'logout',
    ),
)