土仑期(Turonian)是晚白垩纪的第二个时期，时间为93.5 ± 0.8 百万年前至 89.3 ± 1 百万年前。 位于森诺曼期之后，科尼亚克期之前。

以法国城市图尔（Tour）命名。

The Turonian is, in the ICS' geologic timescale, the second age in the Late Cretaceous epoch, or a stage in the Upper Cretaceous series. It spans the time between 93.9 ± 0.8 Ma and 89.8 ± 1 Ma (million years ago). The Turonian is preceded by the Cenomanian stage and underlies the Coniacian stage.