入境英国对签证要求吗？
现在入境是不需要提供visa的，但是如果是短期访问或者旅游是不给签证的！ 下面简单介绍一下英国的签证种类，以供题主参考
一、移民类(Immigration Visa) 包括：
1、家庭/配偶移民签证 (Family-Based Immigration) 主要分两种：
A. 婚姻移民签证，即与英国公民或永久居民结婚;B. 子女跟随父母来英定居(未成年孩子可以申请儿童临时居留， Children Temporary Residence Permit)
2、投资移民签证 (Investor's visa) 申请人必须在英国进行一项商业计划，以创造和/或保留就业;
3、企业家移民签证（Entrepreneur visa） 4、学生及毕业生类移民签证 (Tier 4 General Student and Tier 2 work visas for graduates);
5、工作/学习类移民签证(Work and Study Visas ) 6、青年移民签证（Youth Mobility Scheme or 'YMS') 二、非移民签类(Non-Immigrant Visitor)：
1、访问英国签证 (Tourism & Business visitor visa， including a Tourist or Business visa for family members) ;
2、探亲访友签证 (Visit for Family Reunification， i.e. an in-country spouse who is not British Citizen applying to join their partner already living here as long as they meet the requirements of Section 80D of The Immigration Rules. This type of visa allows partners to live together while one completes any necessary education before being eligible to apply for settlement status at the end of five years， which then can lead to naturalization after six years residence)；
3、过境或临时进入(Transit or temporary admission， such as a Visitor in transit via UK immigration control to the United States ， Canada etc)
4、商务/参加会议签证 (Business visit visa for meeting with clients / business contacts等); 三、外交人员(diplomatic passport holders only) 四、其他签证类别：
1、欧盟成员国民 (Citizenship of European Union countries)
2、申根国家公民 (citizens of Schengen Area Country)
3、美国公民 (U.S citizens resident overseas on a non-immigrant basis， e.g. students， working holiday makers ， exchange visitors etc.)
4、加拿大公民 (Canadian citizen holding permanent residency permit from that country but presently residing abroad， usually for employment purposes)，等等......………